126907704 has 144 divisors (see below), whose sum is σ = 431973360. Its totient is φ = 32947200.

The previous prime is 126907667. The next prime is 126907709. The reversal of 126907704 is 407709621.

It is a happy number.

It is a super-2 number, since 2×126907704² = 32211130669103232, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126907709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 59944 + ... + 62024.

It is an arithmetic number, because the mean of its divisors is an integer number (2999815).

Almost surely, 2^126907704 is an apocalyptic number.

126907704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126907704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215986680).

126907704 is an abundant number, since it is smaller than the sum of its proper divisors (305065656).

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

126907704 is a wasteful number, since it uses less digits than its factorization.

126907704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 126907704 is about 11265.3319524992. The cubic root of 126907704 is about 502.5307740862.

The spelling of 126907704 in words is "one hundred twenty-six million, nine hundred seven thousand, seven hundred four".