1252942 has 8 divisors (see below), whose sum is σ = 1900800. Its totient is φ = 619344.

The previous prime is 1252921. The next prime is 1252943. The reversal of 1252942 is 2492521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252943) by changing a digit.

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, 3342 + ... + 3697.

It is an arithmetic number, because the mean of its divisors is an integer number (237600).

2^1252942 is an apocalyptic number.

1252942 is a deficient number, since it is larger than the sum of its proper divisors (647858).

1252942 is an equidigital number, since it uses as much as digits as its factorization.

1252942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130.

The product of its digits is 1440, while the sum is 25.

The square root of 1252942 is about 1119.3489178983. The cubic root of 1252942 is about 107.8061795777.

The spelling of 1252942 in words is "one million, two hundred fifty-two thousand, nine hundred forty-two".