1272590 has 32 divisors (see below), whose sum is σ = 2612736. Its totient is φ = 441760.

The previous prime is 1272589. The next prime is 1272617. The reversal of 1272590 is 952721.

It is an Ulam number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2279 + ... + 2781.

It is an arithmetic number, because the mean of its divisors is an integer number (81648).

2^1272590 is an apocalyptic number.

1272590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1272590 is an abundant number, since it is smaller than the sum of its proper divisors (1340146).

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

1272590 is a wasteful number, since it uses less digits than its factorization.

1272590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1272590 is about 1128.0913083612. The cubic root of 1272590 is about 108.3667799423.

The spelling of 1272590 in words is "one million, two hundred seventy-two thousand, five hundred ninety".