125251347 has 32 divisors (see below), whose sum is σ = 183935808. Its totient is φ = 75350016.

The previous prime is 125251339. The next prime is 125251369. The reversal of 125251347 is 743152521.

It is not a de Polignac number, because 125251347 - 2³ = 125251339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125251447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427333 + ... + 427625.

It is an arithmetic number, because the mean of its divisors is an integer number (5747994).

Almost surely, 2^125251347 is an apocalyptic number.

125251347 is a deficient number, since it is larger than the sum of its proper divisors (58684461).

125251347 is a wasteful number, since it uses less digits than its factorization.

125251347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519.

The product of its digits is 8400, while the sum is 30.

The square root of 125251347 is about 11191.5748221597. The cubic root of 125251347 is about 500.3349049606.

The spelling of 125251347 in words is "one hundred twenty-five million, two hundred fifty-one thousand, three hundred forty-seven".