113420121 has 8 divisors (see below), whose sum is σ = 151609344. Its totient is φ = 75422160.

The previous prime is 113420057. The next prime is 113420161. The reversal of 113420121 is 121024311.

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

It is not a de Polignac number, because 113420121 - 2⁶ = 113420057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113420121.

It is not an unprimeable number, because it can be changed into a prime (113420161) 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, 46425 + ... + 48806.

It is an arithmetic number, because the mean of its divisors is an integer number (18951168).

Almost surely, 2^113420121 is an apocalyptic number.

It is an amenable number.

113420121 is a deficient number, since it is larger than the sum of its proper divisors (38189223).

113420121 is an equidigital number, since it uses as much as digits as its factorization.

113420121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95631.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 113420121 is about 10649.8883092735. Note that the first 3 decimals coincide. The cubic root of 113420121 is about 484.0572198020.

Adding to 113420121 its reverse (121024311), we get a palindrome (234444432).

The spelling of 113420121 in words is "one hundred thirteen million, four hundred twenty thousand, one hundred twenty-one".