125431150 has 24 divisors (see below), whose sum is σ = 251249544. Its totient is φ = 46312800.

The previous prime is 125431139. The next prime is 125431153. The reversal of 125431150 is 51134521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125431153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95836 + ... + 97135.

It is an arithmetic number, because the mean of its divisors is an integer number (10468731).

Almost surely, 2^125431150 is an apocalyptic number.

125431150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125431150 is an abundant number, since it is smaller than the sum of its proper divisors (125818394).

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

125431150 is a wasteful number, since it uses less digits than its factorization.

125431150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192996 (or 192991 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 125431150 is about 11199.6049037455. The cubic root of 125431150 is about 500.5742069869.

Adding to 125431150 its reverse (51134521), we get a palindrome (176565671).

The spelling of 125431150 in words is "one hundred twenty-five million, four hundred thirty-one thousand, one hundred fifty".