1256012 has 6 divisors (see below), whose sum is σ = 2198028. Its totient is φ = 628004.

The previous prime is 1256009. The next prime is 1256023. The reversal of 1256012 is 2106521.

It is a super-2 number, since 2×1256012² = 3155132288288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156998 + ... + 157005.

It is an arithmetic number, because the mean of its divisors is an integer number (366338).

2^1256012 is an apocalyptic number.

It is an amenable number.

1256012 is a deficient number, since it is larger than the sum of its proper divisors (942016).

1256012 is a wasteful number, since it uses less digits than its factorization.

1256012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314007 (or 314005 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1256012 is about 1120.7194118065. The cubic root of 1256012 is about 107.8941578520.

The spelling of 1256012 in words is "one million, two hundred fifty-six thousand, twelve".