125436740 has 96 divisors (see below), whose sum is σ = 314979840. Its totient is φ = 41356800.

The previous prime is 125436737. The next prime is 125436763. The reversal of 125436740 is 47634521.

It is a junction number, because it is equal to n+sod(n) for n = 125436697 and 125436706.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174101 + ... + 174819.

It is an arithmetic number, because the mean of its divisors is an integer number (3281040).

Almost surely, 2^125436740 is an apocalyptic number.

125436740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125436740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157489920).

125436740 is an abundant number, since it is smaller than the sum of its proper divisors (189543100).

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

125436740 is a wasteful number, since it uses less digits than its factorization.

125436740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 125436740 is about 11199.8544633401. The cubic root of 125436740 is about 500.5816431202.

The spelling of 125436740 in words is "one hundred twenty-five million, four hundred thirty-six thousand, seven hundred forty".