109129572 has 48 divisors (see below), whose sum is σ = 295236480. Its totient is φ = 34794144.

The previous prime is 109129567. The next prime is 109129583. The reversal of 109129572 is 275921901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19483 + ... + 24450.

It is an arithmetic number, because the mean of its divisors is an integer number (6150760).

Almost surely, 2^109129572 is an apocalyptic number.

109129572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109129572 is an abundant number, since it is smaller than the sum of its proper divisors (186106908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109129572 is a wasteful number, since it uses less digits than its factorization.

109129572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43969 (or 43961 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 109129572 is about 10446.5100392428. The cubic root of 109129572 is about 477.8748235214.

The spelling of 109129572 in words is "one hundred nine million, one hundred twenty-nine thousand, five hundred seventy-two".