109109902 has 32 divisors (see below), whose sum is σ = 183697920. Its totient is φ = 48185280.

The previous prime is 109109887. The next prime is 109109911. The reversal of 109109902 is 209901901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115978 + ... + 116914.

It is an arithmetic number, because the mean of its divisors is an integer number (5740560).

Almost surely, 2^109109902 is an apocalyptic number.

109109902 is a deficient number, since it is larger than the sum of its proper divisors (74588018).

109109902 is a wasteful number, since it uses less digits than its factorization.

109109902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 109109902 is about 10445.5685340722. The cubic root of 109109902 is about 477.8461103675.

It can be divided in two parts, 109109 and 902, that added together give a palindrome (110011).

The spelling of 109109902 in words is "one hundred nine million, one hundred nine thousand, nine hundred two".