1151532 has 36 divisors (see below), whose sum is σ = 3013920. Its totient is φ = 370272.

The previous prime is 1151519. The next prime is 1151537. The reversal of 1151532 is 2351511.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1151537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493 + ... + 1595.

It is an arithmetic number, because the mean of its divisors is an integer number (83720).

2^1151532 is an apocalyptic number.

1151532 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 1151532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506960).

1151532 is an abundant number, since it is smaller than the sum of its proper divisors (1862388).

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

1151532 is a wasteful number, since it uses less digits than its factorization.

1151532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1137 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 1151532 is about 1073.0945904253. The cubic root of 1151532 is about 104.8154581630.

The spelling of 1151532 in words is "one million, one hundred fifty-one thousand, five hundred thirty-two".