125742795 has 16 divisors (see below), whose sum is σ = 213023520. Its totient is φ = 63117824.

The previous prime is 125742733. The next prime is 125742797. The reversal of 125742795 is 597247521.

It is a cyclic number.

It is not a de Polignac number, because 125742795 - 2⁶ = 125742731 is a prime.

It is a super-2 number, since 2×125742795² = 31622500988824050, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (125742797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246300 + ... + 246809.

It is an arithmetic number, because the mean of its divisors is an integer number (13313970).

Almost surely, 2^125742795 is an apocalyptic number.

125742795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125742795 is a deficient number, since it is larger than the sum of its proper divisors (87280725).

125742795 is a wasteful number, since it uses less digits than its factorization.

125742795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493134.

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

The square root of 125742795 is about 11213.5094863294. The cubic root of 125742795 is about 500.9884380263.

The spelling of 125742795 in words is "one hundred twenty-five million, seven hundred forty-two thousand, seven hundred ninety-five".