1087272 has 24 divisors (see below), whose sum is σ = 2944890. Its totient is φ = 362400.

The previous prime is 1087271. The next prime is 1087291. The reversal of 1087272 is 2727801.

It can be written as a sum of positive squares in only one way, i.e., 1052676 + 34596 = 1026^2 + 186^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1087271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7479 + ... + 7622.

2^1087272 is an apocalyptic number.

1087272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1087272 is an abundant number, since it is smaller than the sum of its proper divisors (1857618).

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

1087272 is a wasteful number, since it uses less digits than its factorization.

1087272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15113 (or 15106 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 1087272 is about 1042.7233573676. The cubic root of 1087272 is about 102.8283186428.

The spelling of 1087272 in words is "one million, eighty-seven thousand, two hundred seventy-two".