113772451 has 4 divisors (see below), whose sum is σ = 122524192. Its totient is φ = 105020712.

The previous prime is 113772443. The next prime is 113772457. The reversal of 113772451 is 154277311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113772451 - 2³ = 113772443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113772457) 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, 4375851 + ... + 4375876.

It is an arithmetic number, because the mean of its divisors is an integer number (30631048).

Almost surely, 2^113772451 is an apocalyptic number.

113772451 is a deficient number, since it is larger than the sum of its proper divisors (8751741).

113772451 is an equidigital number, since it uses as much as digits as its factorization.

113772451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8751740.

The product of its digits is 5880, while the sum is 31.

The square root of 113772451 is about 10666.4169710358. The cubic root of 113772451 is about 484.5579292745.

The spelling of 113772451 in words is "one hundred thirteen million, seven hundred seventy-two thousand, four hundred fifty-one".