126917712 has 40 divisors (see below), whose sum is σ = 364302080. Its totient is φ = 42305760.

The previous prime is 126917671. The next prime is 126917723. The reversal of 126917712 is 217719621.

It is a happy number.

It is a super-2 number, since 2×126917712² = 32216211238629888, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 146464 + ... + 147327.

It is an arithmetic number, because the mean of its divisors is an integer number (9107552).

Almost surely, 2^126917712 is an apocalyptic number.

126917712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126917712 is an abundant number, since it is smaller than the sum of its proper divisors (237384368).

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

126917712 is a wasteful number, since it uses less digits than its factorization.

126917712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293808 (or 293796 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 126917712 is about 11265.7761383759. The cubic root of 126917712 is about 502.5439836751.

It can be divided in two parts, 1269 and 17712, that added together give a palindrome (18981).

The spelling of 126917712 in words is "one hundred twenty-six million, nine hundred seventeen thousand, seven hundred twelve".