126125913 has 8 divisors (see below), whose sum is σ = 168220800. Its totient is φ = 84057488.

The previous prime is 126125911. The next prime is 126125927. The reversal of 126125913 is 319521621.

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 126125913 - 2¹ = 126125911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126125911) 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 7 ways as a sum of consecutive naturals, for example, 11968 + ... + 19886.

It is an arithmetic number, because the mean of its divisors is an integer number (21027600).

Almost surely, 2^126125913 is an apocalyptic number.

It is an amenable number.

126125913 is a deficient number, since it is larger than the sum of its proper divisors (42094887).

126125913 is an equidigital number, since it uses as much as digits as its factorization.

126125913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231.

The product of its digits is 3240, while the sum is 30.

The square root of 126125913 is about 11230.5793706291. The cubic root of 126125913 is about 501.4967324466.

The spelling of 126125913 in words is "one hundred twenty-six million, one hundred twenty-five thousand, nine hundred thirteen".