1151552 has 28 divisors (see below), whose sum is σ = 2407920. Its totient is φ = 544896.

The previous prime is 1151537. The next prime is 1151569. The reversal of 1151552 is 2551511.

It is a happy number.

It is a nialpdrome in base 8.

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, 743 + ... + 1689.

2^1151552 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 1151552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1203960).

1151552 is an abundant number, since it is smaller than the sum of its proper divisors (1256368).

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

1151552 is an equidigital number, since it uses as much as digits as its factorization.

1151552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 968 counting only the distinct ones).

The product of its digits is 250, while the sum is 20.

The square root of 1151552 is about 1073.1039092278. The cubic root of 1151552 is about 104.8160649770.

The spelling of 1151552 in words is "one million, one hundred fifty-one thousand, five hundred fifty-two".