125112357 has 20 divisors (see below), whose sum is σ = 188563980. Its totient is φ = 82664064.

The previous prime is 125112353. The next prime is 125112439. The reversal of 125112357 is 753211521.

It can be written as a sum of positive squares in 2 ways, for example, as 39012516 + 86099841 = 6246^2 + 9279^2 .

It is not a de Polignac number, because 125112357 - 2² = 125112353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 125112357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125112353) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2319 + ... + 15987.

It is an arithmetic number, because the mean of its divisors is an integer number (9428199).

Almost surely, 2^125112357 is an apocalyptic number.

It is an amenable number.

125112357 is a deficient number, since it is larger than the sum of its proper divisors (63451623).

125112357 is a wasteful number, since it uses less digits than its factorization.

125112357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13794 (or 13785 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 125112357 is about 11185.3635166677. The cubic root of 125112357 is about 500.1497644701.

Adding to 125112357 its reverse (753211521), we get a palindrome (878323878).

The spelling of 125112357 in words is "one hundred twenty-five million, one hundred twelve thousand, three hundred fifty-seven".