1273142 has 16 divisors (see below), whose sum is σ = 2147040. Its totient is φ = 561792.

The previous prime is 1273127. The next prime is 1273157. The reversal of 1273142 is 2413721.

It is an interprime number because it is at equal distance from previous prime (1273127) and next prime (1273157).

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, 467 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (134190).

2^1273142 is an apocalyptic number.

1273142 is a deficient number, since it is larger than the sum of its proper divisors (873898).

1273142 is a wasteful number, since it uses less digits than its factorization.

1273142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167.

The product of its digits is 336, while the sum is 20.

The square root of 1273142 is about 1128.3359428823. The cubic root of 1273142 is about 108.3824461075.

Adding to 1273142 its reverse (2413721), we get a palindrome (3686863).

The spelling of 1273142 in words is "one million, two hundred seventy-three thousand, one hundred forty-two".