1310642 has 16 divisors (see below), whose sum is σ = 2045952. Its totient is φ = 629280.

The previous prime is 1310633. The next prime is 1310657. The reversal of 1310642 is 2460131.

It is a self number, because there is not a number n which added to its sum of digits gives 1310642.

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, 6767 + ... + 6957.

It is an arithmetic number, because the mean of its divisors is an integer number (127872).

2^1310642 is an apocalyptic number.

1310642 is a deficient number, since it is larger than the sum of its proper divisors (735310).

1310642 is a wasteful number, since it uses less digits than its factorization.

1310642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1310642 is about 1144.8327388750. The cubic root of 1310642 is about 109.4362896763.

Adding to 1310642 its reverse (2460131), we get a palindrome (3770773).

The spelling of 1310642 in words is "one million, three hundred ten thousand, six hundred forty-two".