125245720 has 64 divisors (see below), whose sum is σ = 298368000. Its totient is φ = 47184768.

The previous prime is 125245717. The next prime is 125245727. The reversal of 125245720 is 27542521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125245727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169111 + ... + 169849.

It is an arithmetic number, because the mean of its divisors is an integer number (4662000).

Almost surely, 2^125245720 is an apocalyptic number.

125245720 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 125245720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149184000).

125245720 is an abundant number, since it is smaller than the sum of its proper divisors (173122280).

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

125245720 is a wasteful number, since it uses less digits than its factorization.

125245720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 125245720 is about 11191.3234248680. The cubic root of 125245720 is about 500.3274122223.

The spelling of 125245720 in words is "one hundred twenty-five million, two hundred forty-five thousand, seven hundred twenty".