126108969 has 16 divisors (see below), whose sum is σ = 192340992. Its totient is φ = 71996688.

The previous prime is 126108949. The next prime is 126108973. The reversal of 126108969 is 969801621.

It is not a de Polignac number, because 126108969 - 2¹⁷ = 125977897 is a prime.

It is a super-2 number, since 2×126108969² = 31806944124485922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126108969.

It is not an unprimeable number, because it can be changed into a prime (126108949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30012 + ... + 33954.

It is an arithmetic number, because the mean of its divisors is an integer number (12021312).

Almost surely, 2^126108969 is an apocalyptic number.

It is an amenable number.

126108969 is a deficient number, since it is larger than the sum of its proper divisors (66232023).

126108969 is a wasteful number, since it uses less digits than its factorization.

126108969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 126108969 is about 11229.8249763743. The cubic root of 126108969 is about 501.4742740927.

The spelling of 126108969 in words is "one hundred twenty-six million, one hundred eight thousand, nine hundred sixty-nine".