112953921 has 4 divisors (see below), whose sum is σ = 150605232. Its totient is φ = 75302612.

The previous prime is 112953887. The next prime is 112953923. The reversal of 112953921 is 129359211.

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 112953921 - 2²¹ = 110856769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112953923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18825651 + ... + 18825656.

It is an arithmetic number, because the mean of its divisors is an integer number (37651308).

Almost surely, 2^112953921 is an apocalyptic number.

It is an amenable number.

112953921 is a deficient number, since it is larger than the sum of its proper divisors (37651311).

112953921 is an equidigital number, since it uses as much as digits as its factorization.

112953921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37651310.

The product of its digits is 4860, while the sum is 33.

The square root of 112953921 is about 10627.9782178926. The cubic root of 112953921 is about 483.3930890316.

The spelling of 112953921 in words is "one hundred twelve million, nine hundred fifty-three thousand, nine hundred twenty-one".