126909936 has 40 divisors (see below), whose sum is σ = 364279760. Its totient is φ = 42303168.

The previous prime is 126909907. The next prime is 126909943. The reversal of 126909936 is 639909621.

It is a happy number.

It is a super-2 number, since 2×126909936² = 32212263711048192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126909891 and 126909900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146455 + ... + 147318.

It is an arithmetic number, because the mean of its divisors is an integer number (9106994).

Almost surely, 2^126909936 is an apocalyptic number.

126909936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

126909936 is an abundant number, since it is smaller than the sum of its proper divisors (237369824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126909936 is a wasteful number, since it uses less digits than its factorization.

126909936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293790 (or 293778 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 126909936 is about 11265.4310170539. The cubic root of 126909936 is about 502.5337201698.

The spelling of 126909936 in words is "one hundred twenty-six million, nine hundred nine thousand, nine hundred thirty-six".