612162 has 24 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 200760.

The previous prime is 612149. The next prime is 612169. The reversal of 612162 is 261216.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 612162.

It is not an unprimeable number, because it can be changed into a prime (612169) by changing a digit.

612162 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1039 + ... + 1517.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2⁶¹²¹⁶² is an apocalyptic number.

612162 is the 639-th pentagonal number.

612162 is an abundant number, since it is smaller than the sum of its proper divisors (735678).

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

612162 is a wasteful number, since it uses less digits than its factorization.

612162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 555 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 612162 is about 782.4078220468. The cubic root of 612162 is about 84.9093381663.

Adding to 612162 its reverse (261216), we get a palindrome (873378).

The spelling of 612162 in words is "six hundred twelve thousand, one hundred sixty-two".