1256466 has 16 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 416304.

The previous prime is 1256449. The next prime is 1256477. The reversal of 1256466 is 6646521.

1256466 = T₂₄₆ + T₂₄₇ + ... + T₂₈₁.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

2^1256466 is an apocalyptic number.

1256466 is an abundant number, since it is smaller than the sum of its proper divisors (1271598).

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

1256466 is a wasteful number, since it uses less digits than its factorization.

1256466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265.

The product of its digits is 8640, while the sum is 30.

The square root of 1256466 is about 1120.9219419746. The cubic root of 1256466 is about 107.9071561479.

The spelling of 1256466 in words is "one million, two hundred fifty-six thousand, four hundred sixty-six".