1242704 has 20 divisors (see below), whose sum is σ = 2434740. Its totient is φ = 614400.

The previous prime is 1242643. The next prime is 1242739. The reversal of 1242704 is 4072421.

It can be written as a sum of positive squares in 2 ways, for example, as 906304 + 336400 = 952^2 + 580^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (121737).

2^1242704 is an apocalyptic number.

It is an amenable number.

1242704 is a deficient number, since it is larger than the sum of its proper divisors (1192036).

1242704 is a wasteful number, since it uses less digits than its factorization.

1242704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 1242704 is about 1114.7663432307. The cubic root of 1242704 is about 107.5117420021.

The spelling of 1242704 in words is "one million, two hundred forty-two thousand, seven hundred four".