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1012224001 = 5917156339
BaseRepresentation
bin111100010101010…
…101000000000001
32121112200022021211
4330111111000001
54033112132001
6244235250121
734040522245
oct7425250001
92545608254
101012224001
1147a412968
12242ba9941
1313192a119
1498610425
155dce8351
hex3c555001

1012224001 has 4 divisors (see below), whose sum is σ = 1029380400. Its totient is φ = 995067604.

The previous prime is 1012223957. The next prime is 1012224011. The reversal of 1012224001 is 1004222101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1012224001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012224011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8578111 + ... + 8578228.

It is an arithmetic number, because the mean of its divisors is an integer number (257345100).

Almost surely, 21012224001 is an apocalyptic number.

It is an amenable number.

1012224001 is a deficient number, since it is larger than the sum of its proper divisors (17156399).

1012224001 is an equidigital number, since it uses as much as digits as its factorization.

1012224001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17156398.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1012224001 is about 31815.4679519255. The cubic root of 1012224001 is about 1004.0581759304.

Adding to 1012224001 its reverse (1004222101), we get a palindrome (2016446102).

The spelling of 1012224001 in words is "one billion, twelve million, two hundred twenty-four thousand, one".

Divisors: 1 59 17156339 1012224001