126770720 has 24 divisors (see below), whose sum is σ = 299496204. Its totient is φ = 50708224.

The previous prime is 126770719. The next prime is 126770731. The reversal of 126770720 is 27077621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 126607504 + 163216 = 11252^2 + 404^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 395999 + ... + 396318.

Almost surely, 2^126770720 is an apocalyptic number.

126770720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126770720 is an abundant number, since it is smaller than the sum of its proper divisors (172725484).

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

126770720 is an equidigital number, since it uses as much as digits as its factorization.

126770720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792332 (or 792324 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 126770720 is about 11259.2504190998. The cubic root of 126770720 is about 502.3498986511.

The spelling of 126770720 in words is "one hundred twenty-six million, seven hundred seventy thousand, seven hundred twenty".