125112020 has 24 divisors (see below), whose sum is σ = 286620768. Its totient is φ = 45495200.

The previous prime is 125112007. The next prime is 125112023. The reversal of 125112020 is 20211521.

It is a junction number, because it is equal to n+sod(n) for n = 125111986 and 125112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125112023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284126 + ... + 284565.

It is an arithmetic number, because the mean of its divisors is an integer number (11942532).

Almost surely, 2^125112020 is an apocalyptic number.

125112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125112020 is an abundant number, since it is smaller than the sum of its proper divisors (161508748).

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

125112020 is a wasteful number, since it uses less digits than its factorization.

125112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568711 (or 568709 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 125112020 is about 11185.3484523282. The cubic root of 125112020 is about 500.1493154054.

Adding to 125112020 its reverse (20211521), we get a palindrome (145323541).

The spelling of 125112020 in words is "one hundred twenty-five million, one hundred twelve thousand, twenty".