1252642 has 8 divisors (see below), whose sum is σ = 1890000. Its totient is φ = 622644.

The previous prime is 1252639. The next prime is 1252661. The reversal of 1252642 is 2462521.

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

It is a super-2 number, since 2×1252642² = 3138223960328, which contains 22 as substring.

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, 1392 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (236250).

2^1252642 is an apocalyptic number.

1252642 is a deficient number, since it is larger than the sum of its proper divisors (637358).

1252642 is a wasteful number, since it uses less digits than its factorization.

1252642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680.

The product of its digits is 960, while the sum is 22.

The square root of 1252642 is about 1119.2149034033. The cubic root of 1252642 is about 107.7975746474.

The spelling of 1252642 in words is "one million, two hundred fifty-two thousand, six hundred forty-two".