612120 has 32 divisors (see below), whose sum is σ = 1836720. Its totient is φ = 163200.

The previous prime is 612113. The next prime is 612133. The reversal of 612120 is 21216.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 612096 and 612105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431 + ... + 2670.

2⁶¹²¹²⁰ is an apocalyptic number.

612120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612120 is an abundant number, since it is smaller than the sum of its proper divisors (1224600).

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

612120 is a wasteful number, since it uses less digits than its factorization.

612120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115 (or 5111 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 612120 is about 782.3809813639. The cubic root of 612120 is about 84.9073962655.

Adding to 612120 its reverse (21216), we get a palindrome (633336).

The spelling of 612120 in words is "six hundred twelve thousand, one hundred twenty".