109506972 has 12 divisors (see below), whose sum is σ = 255516296. Its totient is φ = 36502320.

The previous prime is 109506967. The next prime is 109506983. The reversal of 109506972 is 279605901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×109506972³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109506972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4562779 + ... + 4562802.

Almost surely, 2^109506972 is an apocalyptic number.

109506972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109506972 is an abundant number, since it is smaller than the sum of its proper divisors (146009324).

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

109506972 is a wasteful number, since it uses less digits than its factorization.

109506972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125588 (or 9125586 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 109506972 is about 10464.5578979716. The cubic root of 109506972 is about 478.4250637961.

The spelling of 109506972 in words is "one hundred nine million, five hundred six thousand, nine hundred seventy-two".