1273422 has 16 divisors (see below), whose sum is σ = 2558160. Its totient is φ = 422592.

The previous prime is 1273421. The next prime is 1273423. The reversal of 1273422 is 2243721.

It is an interprime number because it is at equal distance from previous prime (1273421) and next prime (1273423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273421) 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, 1954 + ... + 2522.

It is an arithmetic number, because the mean of its divisors is an integer number (159885).

2^1273422 is an apocalyptic number.

1273422 is an abundant number, since it is smaller than the sum of its proper divisors (1284738).

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

1273422 is a wasteful number, since it uses less digits than its factorization.

1273422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its digits is 672, while the sum is 21.

The square root of 1273422 is about 1128.4600125835. The cubic root of 1273422 is about 108.3903909821.

Subtracting 1273422 from its reverse (2243721), we obtain a cube (970299 = 99³).

The spelling of 1273422 in words is "one million, two hundred seventy-three thousand, four hundred twenty-two".