1242292 has 12 divisors (see below), whose sum is σ = 2302020. Its totient is φ = 584576.

The previous prime is 1242289. The next prime is 1242317. The reversal of 1242292 is 2922421.

It can be written as a sum of positive squares in 2 ways, for example, as 933156 + 309136 = 966^2 + 556^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9067 + ... + 9202.

It is an arithmetic number, because the mean of its divisors is an integer number (191835).

2^1242292 is an apocalyptic number.

It is an amenable number.

1242292 is a deficient number, since it is larger than the sum of its proper divisors (1059728).

1242292 is a wasteful number, since it uses less digits than its factorization.

1242292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18290 (or 18288 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1242292 is about 1114.5815358241. The cubic root of 1242292 is about 107.4998593833.

The spelling of 1242292 in words is "one million, two hundred forty-two thousand, two hundred ninety-two".