612943124 has 6 divisors (see below), whose sum is σ = 1072650474. Its totient is φ = 306471560.

The previous prime is 612943117. The next prime is 612943127. The reversal of 612943124 is 421349216.

It can be written as a sum of positive squares in only one way, i.e., 427166224 + 185776900 = 20668^2 + 13630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612943127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76617887 + ... + 76617894.

It is an arithmetic number, because the mean of its divisors is an integer number (178775079).

Almost surely, 2^612943124 is an apocalyptic number.

It is an amenable number.

612943124 is a deficient number, since it is larger than the sum of its proper divisors (459707350).

612943124 is a wasteful number, since it uses less digits than its factorization.

612943124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153235785 (or 153235783 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 612943124 is about 24757.6881796342. The cubic root of 612943124 is about 849.4543783251.

The spelling of 612943124 in words is "six hundred twelve million, nine hundred forty-three thousand, one hundred twenty-four".