1272922 has 24 divisors (see below), whose sum is σ = 2298240. Its totient is φ = 526680.

The previous prime is 1272919. The next prime is 1272937. The reversal of 1272922 is 2292721.

1272922 = T₂₀₃ + T₂₀₄ + ... + T₂₅₁.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2829 + ... + 3247.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2^1272922 is an apocalyptic number.

1272922 is a deficient number, since it is larger than the sum of its proper divisors (1025318).

1272922 is a wasteful number, since it uses less digits than its factorization.

1272922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 459 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 1272922 is about 1128.2384499741. The cubic root of 1272922 is about 108.3762028888.

The spelling of 1272922 in words is "one million, two hundred seventy-two thousand, nine hundred twenty-two".