612130655 has 8 divisors (see below), whose sum is σ = 748416672. Its totient is φ = 480464608.

The previous prime is 612130633. The next prime is 612130661. The reversal of 612130655 is 556031216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612130655 - 2¹⁶ = 612065119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154699 + ... + 1155228.

It is an arithmetic number, because the mean of its divisors is an integer number (93552084).

Almost surely, 2^612130655 is an apocalyptic number.

612130655 is a deficient number, since it is larger than the sum of its proper divisors (136286017).

612130655 is a wasteful number, since it uses less digits than its factorization.

612130655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309985.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 612130655 is about 24741.2743204549. The cubic root of 612130655 is about 849.0788891563.

The spelling of 612130655 in words is "six hundred twelve million, one hundred thirty thousand, six hundred fifty-five".