1292742 has 24 divisors (see below), whose sum is σ = 3056040. Its totient is φ = 391680.

The previous prime is 1292737. The next prime is 1292783. The reversal of 1292742 is 2472921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3067 + ... + 3462.

It is an arithmetic number, because the mean of its divisors is an integer number (127335).

2^1292742 is an apocalyptic number.

1292742 is an abundant number, since it is smaller than the sum of its proper divisors (1763298).

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

1292742 is a wasteful number, since it uses less digits than its factorization.

1292742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548 (or 6545 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1292742 is about 1136.9881265871. The cubic root of 1292742 is about 108.9357981205.

Adding to 1292742 its sum of digits (27), we get a square (1292769 = 1137²).

The spelling of 1292742 in words is "one million, two hundred ninety-two thousand, seven hundred forty-two".