125229761 has 8 divisors (see below), whose sum is σ = 128369280. Its totient is φ = 122110128.

The previous prime is 125229757. The next prime is 125229763. The reversal of 125229761 is 167922521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125229761 - 2² = 125229757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125229763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8210 + ... + 17828.

It is an arithmetic number, because the mean of its divisors is an integer number (16046160).

Almost surely, 2^125229761 is an apocalyptic number.

It is an amenable number.

125229761 is a deficient number, since it is larger than the sum of its proper divisors (3139519).

125229761 is an equidigital number, since it uses as much as digits as its factorization.

125229761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943.

The product of its digits is 15120, while the sum is 35.

The square root of 125229761 is about 11190.6103944334. The cubic root of 125229761 is about 500.3061604932.

It can be divided in two parts, 1252 and 29761, that added together give a palindrome (31013).

The spelling of 125229761 in words is "one hundred twenty-five million, two hundred twenty-nine thousand, seven hundred sixty-one".