1107312521 has 32 divisors (see below), whose sum is σ = 1315012608. Its totient is φ = 913006080.

The previous prime is 1107312509. The next prime is 1107312541. The reversal of 1107312521 is 1252137011.

It is not a de Polignac number, because 1107312521 - 2¹⁰ = 1107311497 is a prime.

It is a super-2 number, since 2×1107312521² = 2452282038326750882, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1107312541) 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 31 ways as a sum of consecutive naturals, for example, 4965416 + ... + 4965638.

It is an arithmetic number, because the mean of its divisors is an integer number (41094144).

Almost surely, 2^1107312521 is an apocalyptic number.

It is an amenable number.

1107312521 is a deficient number, since it is larger than the sum of its proper divisors (207700087).

1107312521 is a wasteful number, since it uses less digits than its factorization.

1107312521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1107312521 is about 33276.3056994012. The cubic root of 1107312521 is about 1034.5625107693.

Adding to 1107312521 its reverse (1252137011), we get a palindrome (2359449532).

The spelling of 1107312521 in words is "one billion, one hundred seven million, three hundred twelve thousand, five hundred twenty-one".