125965742 has 8 divisors (see below), whose sum is σ = 215941296. Its totient is φ = 53985312.

The previous prime is 125965739. The next prime is 125965747. The reversal of 125965742 is 247569521.

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

It is a super-2 number, since 2×125965742² = 31734736315221128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125965742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125965747) 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 3 ways as a sum of consecutive naturals, for example, 4498763 + ... + 4498790.

It is an arithmetic number, because the mean of its divisors is an integer number (26992662).

Almost surely, 2^125965742 is an apocalyptic number.

125965742 is a deficient number, since it is larger than the sum of its proper divisors (89975554).

125965742 is an equidigital number, since it uses as much as digits as its factorization.

125965742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997562.

The product of its digits is 151200, while the sum is 41.

The square root of 125965742 is about 11223.4460839797. The cubic root of 125965742 is about 501.2843540445.

The spelling of 125965742 in words is "one hundred twenty-five million, nine hundred sixty-five thousand, seven hundred forty-two".