115574921 has 8 divisors (see below), whose sum is σ = 144093504. Its totient is φ = 90058320.

The previous prime is 115574917. The next prime is 115574951. The reversal of 115574921 is 129475511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115574921 - 2² = 115574917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115574911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750410 + ... + 750563.

It is an arithmetic number, because the mean of its divisors is an integer number (18011688).

Almost surely, 2^115574921 is an apocalyptic number.

115574921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115574921 is a deficient number, since it is larger than the sum of its proper divisors (28518583).

115574921 is a wasteful number, since it uses less digits than its factorization.

115574921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500991.

The product of its digits is 12600, while the sum is 35.

The square root of 115574921 is about 10750.5777054073. The cubic root of 115574921 is about 487.1034457352.

The spelling of 115574921 in words is "one hundred fifteen million, five hundred seventy-four thousand, nine hundred twenty-one".