116235921 has 4 divisors (see below), whose sum is σ = 154981232. Its totient is φ = 77490612.

The previous prime is 116235913. The next prime is 116235941. The reversal of 116235921 is 129532611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 116235921 - 2³ = 116235913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116235941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19372651 + ... + 19372656.

It is an arithmetic number, because the mean of its divisors is an integer number (38745308).

Almost surely, 2^116235921 is an apocalyptic number.

It is an amenable number.

116235921 is a deficient number, since it is larger than the sum of its proper divisors (38745311).

116235921 is an equidigital number, since it uses as much as digits as its factorization.

116235921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38745310.

The product of its digits is 3240, while the sum is 30.

The square root of 116235921 is about 10781.2764086633. The cubic root of 116235921 is about 488.0303005126.

The spelling of 116235921 in words is "one hundred sixteen million, two hundred thirty-five thousand, nine hundred twenty-one".