612134620 has 12 divisors (see below), whose sum is σ = 1285482744. Its totient is φ = 244853840.

The previous prime is 612134603. The next prime is 612134629. The reversal of 612134620 is 26431216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612134629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15303346 + ... + 15303385.

It is an arithmetic number, because the mean of its divisors is an integer number (107123562).

Almost surely, 2^612134620 is an apocalyptic number.

It is an amenable number.

612134620 is an abundant number, since it is smaller than the sum of its proper divisors (673348124).

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

612134620 is a wasteful number, since it uses less digits than its factorization.

612134620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30606740 (or 30606738 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 612134620 is about 24741.3544495850. The cubic root of 612134620 is about 849.0807224199.

Adding to 612134620 its reverse (26431216), we get a palindrome (638565836).

The spelling of 612134620 in words is "six hundred twelve million, one hundred thirty-four thousand, six hundred twenty".