125603520 has 112 divisors (see below), whose sum is σ = 455785728. Its totient is φ = 28707840.

The previous prime is 125603519. The next prime is 125603521. The reversal of 125603520 is 25306521.

It is an interprime number because it is at equal distance from previous prime (125603519) and next prime (125603521).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (125603521) 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, 2626 + ... + 16065.

Almost surely, 2^125603520 is an apocalyptic number.

125603520 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 125603520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227892864).

125603520 is an abundant number, since it is smaller than the sum of its proper divisors (330182208).

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

125603520 is a wasteful number, since it uses less digits than its factorization.

125603520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18718 (or 18708 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 125603520 is about 11207.2976225315. The cubic root of 125603520 is about 500.8034017332.

The spelling of 125603520 in words is "one hundred twenty-five million, six hundred three thousand, five hundred twenty".