1256002 has 16 divisors (see below), whose sum is σ = 2112192. Its totient is φ = 555120.

The previous prime is 1255997. The next prime is 1256009. The reversal of 1256002 is 2006521.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1256009) 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, 43 + ... + 1585.

It is an arithmetic number, because the mean of its divisors is an integer number (132012).

2^1256002 is an apocalyptic number.

1256002 is a deficient number, since it is larger than the sum of its proper divisors (856190).

1256002 is a wasteful number, since it uses less digits than its factorization.

1256002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1256002 is about 1120.7149503777. The cubic root of 1256002 is about 107.8938715106.

The spelling of 1256002 in words is "one million, two hundred fifty-six thousand, two".