1312142 has 16 divisors (see below), whose sum is σ = 2143680. Its totient is φ = 598752.

The previous prime is 1312139. The next prime is 1312153. The reversal of 1312142 is 2412131.

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, 2603 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (133980).

2^1312142 is an apocalyptic number.

1312142 is a deficient number, since it is larger than the sum of its proper divisors (831538).

1312142 is a wasteful number, since it uses less digits than its factorization.

1312142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587.

The product of its digits is 48, while the sum is 14.

The square root of 1312142 is about 1145.4876690737. The cubic root of 1312142 is about 109.4780228754.

Adding to 1312142 its reverse (2412131), we get a palindrome (3724273).

The spelling of 1312142 in words is "one million, three hundred twelve thousand, one hundred forty-two".