113450421 has 32 divisors (see below), whose sum is σ = 186236928. Its totient is φ = 60001920.

The previous prime is 113450411. The next prime is 113450429. The reversal of 113450421 is 124054311.

It is not a de Polignac number, because 113450421 - 2⁹ = 113449909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113450429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11185 + ... + 18761.

It is an arithmetic number, because the mean of its divisors is an integer number (5819904).

Almost surely, 2^113450421 is an apocalyptic number.

It is an amenable number.

113450421 is a deficient number, since it is larger than the sum of its proper divisors (72786507).

113450421 is a wasteful number, since it uses less digits than its factorization.

113450421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7641.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 113450421 is about 10651.3107644083. The cubic root of 113450421 is about 484.1003209959.

The spelling of 113450421 in words is "one hundred thirteen million, four hundred fifty thousand, four hundred twenty-one".