612126408 has 32 divisors (see below), whose sum is σ = 1532050560. Its totient is φ = 203810880.

The previous prime is 612126397. The next prime is 612126421. The reversal of 612126408 is 804621216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7866 + ... + 35862.

It is an arithmetic number, because the mean of its divisors is an integer number (47876580).

Almost surely, 2^612126408 is an apocalyptic number.

It is an amenable number.

612126408 is an abundant number, since it is smaller than the sum of its proper divisors (919924152).

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

612126408 is a wasteful number, since it uses less digits than its factorization.

612126408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28917 (or 28913 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 612126408 is about 24741.1884920672. The cubic root of 612126408 is about 849.0769254980.

The spelling of 612126408 in words is "six hundred twelve million, one hundred twenty-six thousand, four hundred eight".