1256242 has 16 divisors (see below), whose sum is σ = 2136960. Its totient is φ = 549072.

The previous prime is 1256231. The next prime is 1256243. The reversal of 1256242 is 2426521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778 + ... + 1765.

It is an arithmetic number, because the mean of its divisors is an integer number (133560).

2^1256242 is an apocalyptic number.

1256242 is a deficient number, since it is larger than the sum of its proper divisors (880718).

1256242 is a wasteful number, since it uses less digits than its factorization.

1256242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

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

The square root of 1256242 is about 1120.8220197694. The cubic root of 1256242 is about 107.9007432831.

The spelling of 1256242 in words is "one million, two hundred fifty-six thousand, two hundred forty-two".