125575959 has 8 divisors (see below), whose sum is σ = 176247040. Its totient is φ = 79311096.

The previous prime is 125575943. The next prime is 125576041. The reversal of 125575959 is 959575521.

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

It is not a de Polignac number, because 125575959 - 2⁴ = 125575943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125571959) 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, 1101487 + ... + 1101600.

It is an arithmetic number, because the mean of its divisors is an integer number (22030880).

Almost surely, 2^125575959 is an apocalyptic number.

125575959 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

125575959 is a deficient number, since it is larger than the sum of its proper divisors (50671081).

125575959 is a wasteful number, since it uses less digits than its factorization.

125575959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203109.

The product of its digits is 708750, while the sum is 48.

The square root of 125575959 is about 11206.0679544611. The cubic root of 125575959 is about 500.7667688633.

The spelling of 125575959 in words is "one hundred twenty-five million, five hundred seventy-five thousand, nine hundred fifty-nine".