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1122075071 = 1386313467
BaseRepresentation
bin100001011100001…
…1000000110111111
32220012101022121222
41002320120012333
54244222400241
6303201543555
736543323615
oct10270300677
92805338558
101122075071
11526422677
12273944bbb
1314b60c760
14a90476b5
1568796a4b
hex42e181bf

1122075071 has 4 divisors (see below), whose sum is σ = 1208388552. Its totient is φ = 1035761592.

The previous prime is 1122075049. The next prime is 1122075151. The reversal of 1122075071 is 1705702211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1705702211 = 8212077591.

It is a cyclic number.

It is not a de Polignac number, because 1122075071 - 26 = 1122075007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122075071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122075041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43156721 + ... + 43156746.

It is an arithmetic number, because the mean of its divisors is an integer number (302097138).

Almost surely, 21122075071 is an apocalyptic number.

1122075071 is a deficient number, since it is larger than the sum of its proper divisors (86313481).

1122075071 is an equidigital number, since it uses as much as digits as its factorization.

1122075071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86313480.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 1122075071 is about 33497.3890176533. The cubic root of 1122075071 is about 1039.1397814693.

Adding to 1122075071 its reverse (1705702211), we get a palindrome (2827777282).

The spelling of 1122075071 in words is "one billion, one hundred twenty-two million, seventy-five thousand, seventy-one".

Divisors: 1 13 86313467 1122075071