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1121352325 = 52614571609
BaseRepresentation
bin100001011010110…
…0111101010000101
32220011000121012121
41002311213222011
54244031233300
6303134245541
736534223522
oct10265475205
92804017177
101121352325
11525a79665
122736568b1
1314b4187b2
14a8cda149
15686a281a
hex42d67a85

1121352325 has 24 divisors (see below), whose sum is σ = 1417244360. Its totient is φ = 879897600.

The previous prime is 1121352299. The next prime is 1121352329. The reversal of 1121352325 is 5232531211.

It can be written as a sum of positive squares in 12 ways, for example, as 107184609 + 1014167716 = 10353^2 + 31846^2 .

It is not a de Polignac number, because 1121352325 - 217 = 1121221253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1121352325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121352329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696121 + ... + 697729.

Almost surely, 21121352325 is an apocalyptic number.

It is an amenable number.

1121352325 is a deficient number, since it is larger than the sum of its proper divisors (295892035).

1121352325 is a wasteful number, since it uses less digits than its factorization.

1121352325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 2132 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 1121352325 is about 33486.5991853458. The cubic root of 1121352325 is about 1038.9166248528.

Adding to 1121352325 its reverse (5232531211), we get a palindrome (6353883536).

The spelling of 1121352325 in words is "one billion, one hundred twenty-one million, three hundred fifty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 61 305 457 1525 1609 2285 8045 11425 27877 40225 98149 139385 490745 696925 735313 2453725 3676565 18382825 44854093 224270465 1121352325