612125570 has 32 divisors (see below), whose sum is σ = 1260994176. Its totient is φ = 209577600.

The previous prime is 612125561. The next prime is 612125587. The reversal of 612125570 is 75521216.

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 15 ways as a sum of consecutive naturals, for example, 47525 + ... + 59015.

It is an arithmetic number, because the mean of its divisors is an integer number (39406068).

Almost surely, 2^612125570 is an apocalyptic number.

612125570 is an abundant number, since it is smaller than the sum of its proper divisors (648868606).

612125570 is a wasteful number, since it uses less digits than its factorization.

612125570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12266.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 612125570 is about 24741.1715567392. The cubic root of 612125570 is about 849.0765380362.

Adding to 612125570 its reverse (75521216), we get a palindrome (687646786).

The spelling of 612125570 in words is "six hundred twelve million, one hundred twenty-five thousand, five hundred seventy".