125429757 has 12 divisors (see below), whose sum is σ = 177657216. Its totient is φ = 78700480.

The previous prime is 125429737. The next prime is 125429771. The reversal of 125429757 is 757924521.

It is not a de Polignac number, because 125429757 - 2¹² = 125425661 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125429737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71469 + ... + 73202.

It is an arithmetic number, because the mean of its divisors is an integer number (14804768).

Almost surely, 2^125429757 is an apocalyptic number.

125429757 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

125429757 is a deficient number, since it is larger than the sum of its proper divisors (52227459).

125429757 is a wasteful number, since it uses less digits than its factorization.

125429757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144708 (or 144691 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 125429757 is about 11199.5427138790. The cubic root of 125429757 is about 500.5723539054.

The spelling of 125429757 in words is "one hundred twenty-five million, four hundred twenty-nine thousand, seven hundred fifty-seven".