611142 has 16 divisors (see below), whose sum is σ = 1396992. Its totient is φ = 174600.

The previous prime is 611137. The next prime is 611147. The reversal of 611142 is 241116.

It is an interprime number because it is at equal distance from previous prime (611137) and next prime (611147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7234 + ... + 7317.

It is an arithmetic number, because the mean of its divisors is an integer number (87312).

2⁶¹¹¹⁴² is an apocalyptic number.

611142 is an abundant number, since it is smaller than the sum of its proper divisors (785850).

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

611142 is a wasteful number, since it uses less digits than its factorization.

611142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14563.

The product of its digits is 48, while the sum is 15.

The square root of 611142 is about 781.7557163206. The cubic root of 611142 is about 84.8621525782.

Adding to 611142 its reverse (241116), we get a palindrome (852258).

It can be divided in two parts, 61114 and 2, that added together give a palindrome (61116).

The spelling of 611142 in words is "six hundred eleven thousand, one hundred forty-two".