125038740 has 72 divisors (see below), whose sum is σ = 371966112. Its totient is φ = 31377920.

The previous prime is 125038733. The next prime is 125038747. The reversal of 125038740 is 47830521.

It is an interprime number because it is at equal distance from previous prime (125038733) and next prime (125038747).

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 = 125038698 and 125038707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125038747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13735 + ... + 20945.

It is an arithmetic number, because the mean of its divisors is an integer number (5166196).

Almost surely, 2^125038740 is an apocalyptic number.

125038740 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 125038740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185983056).

125038740 is an abundant number, since it is smaller than the sum of its proper divisors (246927372).

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

125038740 is a wasteful number, since it uses less digits than its factorization.

125038740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7257 (or 7238 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 125038740 is about 11182.0722587542. The cubic root of 125038740 is about 500.0516479981.

The spelling of 125038740 in words is "one hundred twenty-five million, thirty-eight thousand, seven hundred forty".