125137206 has 12 divisors (see below), whose sum is σ = 271130652. Its totient is φ = 41712396.

The previous prime is 125137193. The next prime is 125137213. The reversal of 125137206 is 602731521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 125137206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3476016 + ... + 3476051.

It is an arithmetic number, because the mean of its divisors is an integer number (22594221).

Almost surely, 2^125137206 is an apocalyptic number.

125137206 is an abundant number, since it is smaller than the sum of its proper divisors (145993446).

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

125137206 is a wasteful number, since it uses less digits than its factorization.

125137206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952075 (or 6952072 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 125137206 is about 11186.4742434781. The cubic root of 125137206 is about 500.1828744391.

Adding to 125137206 its reverse (602731521), we get a palindrome (727868727).

The spelling of 125137206 in words is "one hundred twenty-five million, one hundred thirty-seven thousand, two hundred six".