113651121 has 8 divisors (see below), whose sum is σ = 151806240. Its totient is φ = 75631712.

The previous prime is 113651101. The next prime is 113651129. The reversal of 113651121 is 121156311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 113651121 - 2¹³ = 113642929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113651129) 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, 31956 + ... + 35333.

It is an arithmetic number, because the mean of its divisors is an integer number (18975780).

Almost surely, 2^113651121 is an apocalyptic number.

It is an amenable number.

113651121 is a deficient number, since it is larger than the sum of its proper divisors (38155119).

113651121 is an equidigital number, since it uses as much as digits as its factorization.

113651121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67855.

The product of its digits is 180, while the sum is 21.

The square root of 113651121 is about 10660.7279770192. The cubic root of 113651121 is about 484.3856194744.

The spelling of 113651121 in words is "one hundred thirteen million, six hundred fifty-one thousand, one hundred twenty-one".