125552740 has 24 divisors (see below), whose sum is σ = 266084280. Its totient is φ = 49759488.

The previous prime is 125552737. The next prime is 125552753. The reversal of 125552740 is 47255521.

It can be written as a sum of positive squares in 4 ways, for example, as 7873636 + 117679104 = 2806^2 + 10848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26617 + ... + 30976.

It is an arithmetic number, because the mean of its divisors is an integer number (11086845).

Almost surely, 2^125552740 is an apocalyptic number.

125552740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125552740 is an abundant number, since it is smaller than the sum of its proper divisors (140531540).

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

125552740 is a wasteful number, since it uses less digits than its factorization.

125552740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57711 (or 57709 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 125552740 is about 11205.0319053540. The cubic root of 125552740 is about 500.7359030288.

The spelling of 125552740 in words is "one hundred twenty-five million, five hundred fifty-two thousand, seven hundred forty".