1272504 has 32 divisors (see below), whose sum is σ = 3269520. Its totient is φ = 412416.

The previous prime is 1272461. The next prime is 1272539. The reversal of 1272504 is 4052721.

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 7 ways as a sum of consecutive naturals, for example, 172 + ... + 1604.

2^1272504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1272504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634760).

1272504 is an abundant number, since it is smaller than the sum of its proper divisors (1997016).

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

1272504 is a wasteful number, since it uses less digits than its factorization.

1272504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1272504 is about 1128.0531902353. The cubic root of 1272504 is about 108.3643387913.

The spelling of 1272504 in words is "one million, two hundred seventy-two thousand, five hundred four".