126812580 has 96 divisors (see below), whose sum is σ = 366073344. Its totient is φ = 32784384.

The previous prime is 126812573. The next prime is 126812591. The reversal of 126812580 is 85218621.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544144 + ... + 544376.

It is an arithmetic number, because the mean of its divisors is an integer number (3813264).

Almost surely, 2^126812580 is an apocalyptic number.

126812580 is a gapful number since it is divisible by the number (10) 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 126812580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183036672).

126812580 is an abundant number, since it is smaller than the sum of its proper divisors (239260764).

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

126812580 is a wasteful number, since it uses less digits than its factorization.

126812580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 126812580 is about 11261.1091816037. The cubic root of 126812580 is about 502.4051849523.

The spelling of 126812580 in words is "one hundred twenty-six million, eight hundred twelve thousand, five hundred eighty".