125110020 has 48 divisors (see below), whose sum is σ = 400353408. Its totient is φ = 28596480.

The previous prime is 125110019. The next prime is 125110057. The reversal of 125110020 is 20011521.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 125109978 and 125110005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148521 + ... + 149360.

It is an arithmetic number, because the mean of its divisors is an integer number (8340696).

Almost surely, 2^125110020 is an apocalyptic number.

125110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125110020 is an abundant number, since it is smaller than the sum of its proper divisors (275243388).

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

125110020 is a wasteful number, since it uses less digits than its factorization.

125110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297900 (or 297898 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 125110020 is about 11185.2590493023. The cubic root of 125110020 is about 500.1466503165.

Adding to 125110020 its reverse (20011521), we get a palindrome (145121541).

The spelling of 125110020 in words is "one hundred twenty-five million, one hundred ten thousand, twenty".