126604969 has 8 divisors (see below), whose sum is σ = 129288960. Its totient is φ = 123932016.

The previous prime is 126604939. The next prime is 126604987. The reversal of 126604969 is 969406621.

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 126604969 - 2¹¹ = 126602921 is a prime.

It is a super-2 number, since 2×126604969² = 32057636350981922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126604909) 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, 22894 + ... + 27880.

It is an arithmetic number, because the mean of its divisors is an integer number (16161120).

Almost surely, 2^126604969 is an apocalyptic number.

It is an amenable number.

126604969 is a deficient number, since it is larger than the sum of its proper divisors (2683991).

126604969 is an equidigital number, since it uses as much as digits as its factorization.

126604969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 126604969 is about 11251.8873527955. The cubic root of 126604969 is about 502.1308645983.

The spelling of 126604969 in words is "one hundred twenty-six million, six hundred four thousand, nine hundred sixty-nine".