125272740 has 24 divisors (see below), whose sum is σ = 350763840. Its totient is φ = 33406048.

The previous prime is 125272739. The next prime is 125272759. The reversal of 125272740 is 47272521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 125272698 and 125272707.

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, 1043880 + ... + 1043999.

It is an arithmetic number, because the mean of its divisors is an integer number (14615160).

Almost surely, 2^125272740 is an apocalyptic number.

125272740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125272740 is an abundant number, since it is smaller than the sum of its proper divisors (225491100).

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

125272740 is a wasteful number, since it uses less digits than its factorization.

125272740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087891 (or 2087889 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 125272740 is about 11192.5305449661. The cubic root of 125272740 is about 500.3633891660.

The spelling of 125272740 in words is "one hundred twenty-five million, two hundred seventy-two thousand, seven hundred forty".