109012057 has 8 divisors (see below), whose sum is σ = 135911232. Its totient is φ = 84944400.

The previous prime is 109012049. The next prime is 109012067. The reversal of 109012057 is 750210901.

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

It is a cyclic number.

It is not a de Polignac number, because 109012057 - 2³ = 109012049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109012037) 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, 707794 + ... + 707947.

It is an arithmetic number, because the mean of its divisors is an integer number (16988904).

Almost surely, 2^109012057 is an apocalyptic number.

It is an amenable number.

109012057 is a deficient number, since it is larger than the sum of its proper divisors (26899175).

109012057 is a wasteful number, since it uses less digits than its factorization.

109012057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415759.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 109012057 is about 10440.8839185195. The cubic root of 109012057 is about 477.7032304679.

Adding to 109012057 its reverse (750210901), we get a palindrome (859222958).

The spelling of 109012057 in words is "one hundred nine million, twelve thousand, fifty-seven".