1292242 has 16 divisors (see below), whose sum is σ = 2230272. Its totient is φ = 550080.

The previous prime is 1292237. The next prime is 1292243. The reversal of 1292242 is 2422921.

It is not an unprimeable number, because it can be changed into a prime (1292243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3183 + ... + 3565.

It is an arithmetic number, because the mean of its divisors is an integer number (139392).

2^1292242 is an apocalyptic number.

1292242 is a deficient number, since it is larger than the sum of its proper divisors (938030).

1292242 is a wasteful number, since it uses less digits than its factorization.

1292242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

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

The square root of 1292242 is about 1136.7682261569. The cubic root of 1292242 is about 108.9217517697.

The spelling of 1292242 in words is "one million, two hundred ninety-two thousand, two hundred forty-two".