1153272 has 32 divisors (see below), whose sum is σ = 2984400. Its totient is φ = 370944.

The previous prime is 1153267. The next prime is 1153277. The reversal of 1153272 is 2723511.

It is an interprime number because it is at equal distance from previous prime (1153267) and next prime (1153277).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133 + ... + 1524.

2^1153272 is an apocalyptic number.

1153272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492200).

1153272 is an abundant number, since it is smaller than the sum of its proper divisors (1831128).

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

1153272 is a wasteful number, since it uses less digits than its factorization.

1153272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1691 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 1153272 is about 1073.9050237335. The cubic root of 1153272 is about 104.8682247135.

Adding to 1153272 its reverse (2723511), we get a palindrome (3876783).

The spelling of 1153272 in words is "one million, one hundred fifty-three thousand, two hundred seventy-two".