1249042 has 4 divisors (see below), whose sum is σ = 1873566. Its totient is φ = 624520.

The previous prime is 1249037. The next prime is 1249043. The reversal of 1249042 is 2409421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1038361 + 210681 = 1019^2 + 459^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1249043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312259 + ... + 312262.

2^1249042 is an apocalyptic number.

1249042 is a deficient number, since it is larger than the sum of its proper divisors (624524).

1249042 is an equidigital number, since it uses as much as digits as its factorization.

1249042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624523.

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

The square root of 1249042 is about 1117.6054760066. The cubic root of 1249042 is about 107.6942081559.

The spelling of 1249042 in words is "one million, two hundred forty-nine thousand, forty-two".