100977725 has 12 divisors (see below), whose sum is σ = 125572320. Its totient is φ = 80550000.

The previous prime is 100977713. The next prime is 100977727. The reversal of 100977725 is 527779001.

It is not a de Polignac number, because 100977725 - 2²⁰ = 99929149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100977727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3350 + ... + 14600.

It is an arithmetic number, because the mean of its divisors is an integer number (10464360).

Almost surely, 2^100977725 is an apocalyptic number.

It is an amenable number.

100977725 is a deficient number, since it is larger than the sum of its proper divisors (24594595).

100977725 is a wasteful number, since it uses less digits than its factorization.

100977725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11620 (or 11615 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 100977725 is about 10048.7673373404. The cubic root of 100977725 is about 465.6667123270. Note that the first 3 decimals are identical.

The spelling of 100977725 in words is "one hundred million, nine hundred seventy-seven thousand, seven hundred twenty-five".