609243124 has 48 divisors (see below), whose sum is σ = 1261474816. Its totient is φ = 251942400.

The previous prime is 609243083. The next prime is 609243139. The reversal of 609243124 is 421342906.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375034 + ... + 376654.

Almost surely, 2^609243124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609243124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630737408).

609243124 is an abundant number, since it is smaller than the sum of its proper divisors (652231692).

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

609243124 is a wasteful number, since it uses less digits than its factorization.

609243124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096 (or 2094 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 609243124 is about 24682.8508077977. The cubic root of 609243124 is about 847.7416981326.

The spelling of 609243124 in words is "six hundred nine million, two hundred forty-three thousand, one hundred twenty-four".