1242874 has 16 divisors (see below), whose sum is σ = 1995840. Its totient is φ = 579040.

The previous prime is 1242869. The next prime is 1242889. The reversal of 1242874 is 4782421.

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, 1557 + ... + 2215.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

2^1242874 is an apocalyptic number.

1242874 is a deficient number, since it is larger than the sum of its proper divisors (752966).

1242874 is a wasteful number, since it uses less digits than its factorization.

1242874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725.

The product of its digits is 3584, while the sum is 28.

The square root of 1242874 is about 1114.8425897857. The cubic root of 1242874 is about 107.5166442590.

It can be divided in two parts, 1242 and 874, that added together give a square (2116 = 46²).

The spelling of 1242874 in words is "one million, two hundred forty-two thousand, eight hundred seventy-four".