1140272 has 20 divisors (see below), whose sum is σ = 2525136. Its totient is φ = 488640.

The previous prime is 1140257. The next prime is 1140281. The reversal of 1140272 is 2720411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140272.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4979 + ... + 5202.

2^1140272 is an apocalyptic number.

It is an amenable number.

1140272 is an abundant number, since it is smaller than the sum of its proper divisors (1384864).

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

1140272 is a wasteful number, since it uses less digits than its factorization.

1140272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10196 (or 10190 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1140272 is about 1067.8351932766. The cubic root of 1140272 is about 104.4727003007.

Adding to 1140272 its reverse (2720411), we get a palindrome (3860683).

The spelling of 1140272 in words is "one million, one hundred forty thousand, two hundred seventy-two".