125122347 has 32 divisors (see below), whose sum is σ = 215861760. Its totient is φ = 70143840.

The previous prime is 125122339. The next prime is 125122351. The reversal of 125122347 is 743221521.

It is not a de Polignac number, because 125122347 - 2³ = 125122339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 125122347.

It is not an unprimeable number, because it can be changed into a prime (125122147) 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, 3772 + ... + 16262.

It is an arithmetic number, because the mean of its divisors is an integer number (6745680).

Almost surely, 2^125122347 is an apocalyptic number.

125122347 is a deficient number, since it is larger than the sum of its proper divisors (90739413).

125122347 is a wasteful number, since it uses less digits than its factorization.

125122347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560 (or 12554 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 125122347 is about 11185.8100734815. The cubic root of 125122347 is about 500.1630761399.

Adding to 125122347 its reverse (743221521), we get a palindrome (868343868).

The spelling of 125122347 in words is "one hundred twenty-five million, one hundred twenty-two thousand, three hundred forty-seven".