1252842 has 8 divisors (see below), whose sum is σ = 2505696. Its totient is φ = 417612.

The previous prime is 1252819. The next prime is 1252843. The reversal of 1252842 is 2482521.

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

1252842 is an admirable number.

It is a super-2 number, since 2×1252842² = 3139226153928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1252843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104398 + ... + 104409.

It is an arithmetic number, because the mean of its divisors is an integer number (313212).

2^1252842 is an apocalyptic number.

1252842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252842 is a wasteful number, since it uses less digits than its factorization.

1252842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208812.

The product of its digits is 1280, while the sum is 24.

The square root of 1252842 is about 1119.3042481828. The cubic root of 1252842 is about 107.8033114202.

The spelling of 1252842 in words is "one million, two hundred fifty-two thousand, eight hundred forty-two".