125131302 has 48 divisors (see below), whose sum is σ = 286331760. Its totient is φ = 39384576.

The previous prime is 125131289. The next prime is 125131309. The reversal of 125131302 is 203131521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125131309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202498 + ... + 203114.

It is an arithmetic number, because the mean of its divisors is an integer number (5965245).

Almost surely, 2^125131302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125131302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143165880).

125131302 is an abundant number, since it is smaller than the sum of its proper divisors (161200458).

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

125131302 is a wasteful number, since it uses less digits than its factorization.

125131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237 (or 1234 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 125131302 is about 11186.2103502482. The cubic root of 125131302 is about 500.1750080705.

Adding to 125131302 its reverse (203131521), we get a palindrome (328262823).

The spelling of 125131302 in words is "one hundred twenty-five million, one hundred thirty-one thousand, three hundred two".