1272532 has 12 divisors (see below), whose sum is σ = 2255680. Its totient is φ = 628056.

The previous prime is 1272461. The next prime is 1272539. The reversal of 1272532 is 2352721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272539) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1698 + ... + 2329.

2^1272532 is an apocalyptic number.

It is an amenable number.

1272532 is a deficient number, since it is larger than the sum of its proper divisors (983148).

1272532 is a wasteful number, since it uses less digits than its factorization.

1272532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110 (or 4108 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 1272532 is about 1128.0656009293. The cubic root of 1272532 is about 108.3651335967.

The spelling of 1272532 in words is "one million, two hundred seventy-two thousand, five hundred thirty-two".