612430130 has 16 divisors (see below), whose sum is σ = 1187172504. Its totient is φ = 226128000.

The previous prime is 612430111. The next prime is 612430157. The reversal of 612430130 is 31034216.

It can be written as a sum of positive squares in 4 ways, for example, as 306495049 + 305935081 = 17507^2 + 17491^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2355371 + ... + 2355630.

Almost surely, 2^612430130 is an apocalyptic number.

612430130 is a deficient number, since it is larger than the sum of its proper divisors (574742374).

612430130 is a wasteful number, since it uses less digits than its factorization.

612430130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711021.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 612430130 is about 24747.3257141049. The cubic root of 612430130 is about 849.2173326092.

Adding to 612430130 its reverse (31034216), we get a palindrome (643464346).

The spelling of 612430130 in words is "six hundred twelve million, four hundred thirty thousand, one hundred thirty".