612142 has 16 divisors (see below), whose sum is σ = 982800. Its totient is φ = 285120.

The previous prime is 612137. The next prime is 612149. The reversal of 612142 is 241216.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612149) by changing a digit.

612142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3292 + ... + 3472.

It is an arithmetic number, because the mean of its divisors is an integer number (61425).

2⁶¹²¹⁴² is an apocalyptic number.

612142 is a deficient number, since it is larger than the sum of its proper divisors (370658).

612142 is a wasteful number, since it uses less digits than its factorization.

612142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291.

The product of its digits is 96, while the sum is 16.

The square root of 612142 is about 782.3950408841. The cubic root of 612142 is about 84.9084134627.

Adding to 612142 its reverse (241216), we get a palindrome (853358).

It can be divided in two parts, 61214 and 2, that added together give a palindrome (61216).

The spelling of 612142 in words is "six hundred twelve thousand, one hundred forty-two".