112921537 has 4 divisors (see below), whose sum is σ = 112973616. Its totient is φ = 112869460.

The previous prime is 112921519. The next prime is 112921547. The reversal of 112921537 is 735129211.

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 not a de Polignac number, because 112921537 - 2⁷ = 112921409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112921499 and 112921508.

It is not an unprimeable number, because it can be changed into a prime (112921507) 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, 22639 + ... + 27172.

It is an arithmetic number, because the mean of its divisors is an integer number (28243404).

Almost surely, 2^112921537 is an apocalyptic number.

It is an amenable number.

112921537 is a deficient number, since it is larger than the sum of its proper divisors (52079).

112921537 is an equidigital number, since it uses as much as digits as its factorization.

112921537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52078.

The product of its digits is 3780, while the sum is 31.

The square root of 112921537 is about 10626.4545827854. The cubic root of 112921537 is about 483.3468881917.

The spelling of 112921537 in words is "one hundred twelve million, nine hundred twenty-one thousand, five hundred thirty-seven".