126115969 has 8 divisors (see below), whose sum is σ = 150399360. Its totient is φ = 103399296.

The previous prime is 126115961. The next prime is 126115987. The reversal of 126115969 is 969511621.

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

It is not a de Polignac number, because 126115969 - 2³ = 126115961 is a prime.

It is a super-2 number, since 2×126115969² = 31810475273617922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126115961) 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, 391504 + ... + 391825.

It is an arithmetic number, because the mean of its divisors is an integer number (18799920).

Almost surely, 2^126115969 is an apocalyptic number.

It is an amenable number.

126115969 is a deficient number, since it is larger than the sum of its proper divisors (24283391).

126115969 is an equidigital number, since it uses as much as digits as its factorization.

126115969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783359.

The product of its digits is 29160, while the sum is 40.

The square root of 126115969 is about 11230.1366420894. The cubic root of 126115969 is about 501.4835524573.

The spelling of 126115969 in words is "one hundred twenty-six million, one hundred fifteen thousand, nine hundred sixty-nine".