125787892 has 6 divisors (see below), whose sum is σ = 220128818. Its totient is φ = 62893944.

The previous prime is 125787887. The next prime is 125787919. The reversal of 125787892 is 298787521.

It can be written as a sum of positive squares in only one way, i.e., 104939536 + 20848356 = 10244^2 + 4566^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15723483 + ... + 15723490.

Almost surely, 2^125787892 is an apocalyptic number.

It is an amenable number.

125787892 is a deficient number, since it is larger than the sum of its proper divisors (94340926).

125787892 is a wasteful number, since it uses less digits than its factorization.

125787892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31446977 (or 31446975 counting only the distinct ones).

The product of its digits is 564480, while the sum is 49.

The square root of 125787892 is about 11215.5201395209. The cubic root of 125787892 is about 501.0483231676.

The spelling of 125787892 in words is "one hundred twenty-five million, seven hundred eighty-seven thousand, eight hundred ninety-two".