1256283 has 48 divisors (see below), whose sum is σ = 2357760. Its totient is φ = 646272.

The previous prime is 1256279. The next prime is 1256303. The reversal of 1256283 is 3826521.

It is not a de Polignac number, because 1256283 - 2² = 1256279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 54610 + ... + 54632.

It is an arithmetic number, because the mean of its divisors is an integer number (49120).

2^1256283 is an apocalyptic number.

1256283 is a deficient number, since it is larger than the sum of its proper divisors (1101477).

1256283 is a wasteful number, since it uses less digits than its factorization.

1256283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 50 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1256283 is about 1120.8403097676. The cubic root of 1256283 is about 107.9019171234.

The spelling of 1256283 in words is "one million, two hundred fifty-six thousand, two hundred eighty-three".