125739995 has 8 divisors (see below), whose sum is σ = 151434384. Its totient is φ = 100227744.

The previous prime is 125739979. The next prime is 125739997. The reversal of 125739995 is 599937521.

It is a happy number.

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 125739995 - 2⁴ = 125739979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125739997) 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 7 ways as a sum of consecutive naturals, for example, 44009 + ... + 46778.

It is an arithmetic number, because the mean of its divisors is an integer number (18929298).

Almost surely, 2^125739995 is an apocalyptic number.

125739995 is a deficient number, since it is larger than the sum of its proper divisors (25694389).

125739995 is an equidigital number, since it uses as much as digits as its factorization.

125739995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91069.

The product of its digits is 765450, while the sum is 50.

The square root of 125739995 is about 11213.3846362283. The cubic root of 125739995 is about 500.9847193823.

The spelling of 125739995 in words is "one hundred twenty-five million, seven hundred thirty-nine thousand, nine hundred ninety-five".