125381650 has 24 divisors (see below), whose sum is σ = 233538624. Its totient is φ = 50082000.

The previous prime is 125381629. The next prime is 125381653. The reversal of 125381650 is 56183521.

It is not an unprimeable number, because it can be changed into a prime (125381653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47875 + ... + 50425.

It is an arithmetic number, because the mean of its divisors is an integer number (9730776).

Almost surely, 2^125381650 is an apocalyptic number.

125381650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125381650 is a deficient number, since it is larger than the sum of its proper divisors (108156974).

125381650 is a wasteful number, since it uses less digits than its factorization.

125381650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546 (or 3541 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 125381650 is about 11197.3947862885. The cubic root of 125381650 is about 500.5083496528.

The spelling of 125381650 in words is "one hundred twenty-five million, three hundred eighty-one thousand, six hundred fifty".