113012421 has 8 divisors (see below), whose sum is σ = 151767840. Its totient is φ = 74799312.

The previous prime is 113012411. The next prime is 113012479. The reversal of 113012421 is 124210311.

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

It is not a de Polignac number, because 113012421 - 2⁶ = 113012357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113012421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113012411) 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, 135090 + ... + 135923.

It is an arithmetic number, because the mean of its divisors is an integer number (18970980).

Almost surely, 2^113012421 is an apocalyptic number.

It is an amenable number.

113012421 is a deficient number, since it is larger than the sum of its proper divisors (38755419).

113012421 is a wasteful number, since it uses less digits than its factorization.

113012421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271155.

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

The square root of 113012421 is about 10630.7300313760. The cubic root of 113012421 is about 483.4765260501.

Adding to 113012421 its reverse (124210311), we get a palindrome (237222732).

The spelling of 113012421 in words is "one hundred thirteen million, twelve thousand, four hundred twenty-one".