109902430 has 32 divisors (see below), whose sum is σ = 218557440. Its totient is φ = 39455520.

The previous prime is 109902421. The next prime is 109902437. The reversal of 109902430 is 34209901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109902437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2367 + ... + 15013.

It is an arithmetic number, because the mean of its divisors is an integer number (6829920).

Almost surely, 2^109902430 is an apocalyptic number.

109902430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109902430 is a deficient number, since it is larger than the sum of its proper divisors (108655010).

109902430 is a wasteful number, since it uses less digits than its factorization.

109902430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 109902430 is about 10483.4359825393. The cubic root of 109902430 is about 479.0002774858. Note that the first 3 decimals are identical.

The spelling of 109902430 in words is "one hundred nine million, nine hundred two thousand, four hundred thirty".