126809412 has 24 divisors (see below), whose sum is σ = 296364096. Its totient is φ = 42201888.

The previous prime is 126809411. The next prime is 126809413. The reversal of 126809412 is 214908621.

It is an interprime number because it is at equal distance from previous prime (126809411) and next prime (126809413).

It is not an unprimeable number, because it can be changed into a prime (126809411) 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, 403 + ... + 15930.

It is an arithmetic number, because the mean of its divisors is an integer number (12348504).

Almost surely, 2^126809412 is an apocalyptic number.

126809412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126809412 is an abundant number, since it is smaller than the sum of its proper divisors (169554684).

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

126809412 is a wasteful number, since it uses less digits than its factorization.

126809412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16987 (or 16985 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 126809412 is about 11260.9685196257. The cubic root of 126809412 is about 502.4010012641.

The spelling of 126809412 in words is "one hundred twenty-six million, eight hundred nine thousand, four hundred twelve".