612099 has 12 divisors (see below), whose sum is σ = 922896. Its totient is φ = 390192.

The previous prime is 612083. The next prime is 612107. The reversal of 612099 is 990216.

612099 = 152² + 153² + ... + 174².

It is a happy number.

It is not a de Polignac number, because 612099 - 2⁴ = 612083 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 612099.

It is not an unprimeable number, because it can be changed into a prime (612049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1272 + ... + 1685.

It is an arithmetic number, because the mean of its divisors is an integer number (76908).

2⁶¹²⁰⁹⁹ is an apocalyptic number.

612099 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

612099 is a deficient number, since it is larger than the sum of its proper divisors (310797).

612099 is a wasteful number, since it uses less digits than its factorization.

612099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 612099 is about 782.3675606772. The cubic root of 612099 is about 84.9064252817.

The spelling of 612099 in words is "six hundred twelve thousand, ninety-nine".