126724470 has 48 divisors (see below), whose sum is σ = 309073968. Its totient is φ = 33253440.

The previous prime is 126724463. The next prime is 126724523. The reversal of 126724470 is 74427621.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134200 + ... + 135140.

It is an arithmetic number, because the mean of its divisors is an integer number (6439041).

Almost surely, 2^126724470 is an apocalyptic number.

126724470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126724470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154536984).

126724470 is an abundant number, since it is smaller than the sum of its proper divisors (182349498).

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

126724470 is an equidigital number, since it uses as much as digits as its factorization.

126724470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 126724470 is about 11257.1963649925. The cubic root of 126724470 is about 502.2888001344.

The spelling of 126724470 in words is "one hundred twenty-six million, seven hundred twenty-four thousand, four hundred seventy".