125250688 has 16 divisors (see below), whose sum is σ = 249523110. Its totient is φ = 62625280.

The previous prime is 125250673. The next prime is 125250703. The reversal of 125250688 is 886052521.

It is an interprime number because it is at equal distance from previous prime (125250673) and next prime (125250703).

It can be written as a sum of positive squares in only one way, i.e., 65157184 + 60093504 = 8072^2 + 7752^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 489133 + ... + 489388.

Almost surely, 2^125250688 is an apocalyptic number.

It is an amenable number.

125250688 is a deficient number, since it is larger than the sum of its proper divisors (124272422).

125250688 is an frugal number, since it uses more digits than its factorization.

125250688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978535 (or 978523 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 125250688 is about 11191.5453803306. The cubic root of 125250688 is about 500.3340274683.

The spelling of 125250688 in words is "one hundred twenty-five million, two hundred fifty thousand, six hundred eighty-eight".