125722630 has 24 divisors (see below), whose sum is σ = 248746176. Its totient is φ = 45716880.

The previous prime is 125722609. The next prime is 125722631. The reversal of 125722630 is 36227521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125722631) 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, 50742 + ... + 53161.

It is an arithmetic number, because the mean of its divisors is an integer number (10364424).

Almost surely, 2^125722630 is an apocalyptic number.

125722630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125722630 is a deficient number, since it is larger than the sum of its proper divisors (123023546).

125722630 is a wasteful number, since it uses less digits than its factorization.

125722630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103932 (or 103921 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 125722630 is about 11212.6103116090. The cubic root of 125722630 is about 500.9616559167.

The spelling of 125722630 in words is "one hundred twenty-five million, seven hundred twenty-two thousand, six hundred thirty".