107781172 has 12 divisors (see below), whose sum is σ = 194701696. Its totient is φ = 52152120.

The previous prime is 107781131. The next prime is 107781209. The reversal of 107781172 is 271187701.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434478 + ... + 434725.

Almost surely, 2^107781172 is an apocalyptic number.

It is an amenable number.

107781172 is a deficient number, since it is larger than the sum of its proper divisors (86920524).

107781172 is a wasteful number, since it uses less digits than its factorization.

107781172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869238 (or 869236 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 34.

The square root of 107781172 is about 10381.7711398393. The cubic root of 107781172 is about 475.8984612642.

The spelling of 107781172 in words is "one hundred seven million, seven hundred eighty-one thousand, one hundred seventy-two".