1150532021 has 4 divisors (see below), whose sum is σ = 1155600672. Its totient is φ = 1145463372.

The previous prime is 1150532017. The next prime is 1150532027. The reversal of 1150532021 is 1202350511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1150532021 - 2² = 1150532017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1150531984 and 1150532002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150532027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2533985 + ... + 2534438.

It is an arithmetic number, because the mean of its divisors is an integer number (288900168).

Almost surely, 2^1150532021 is an apocalyptic number.

It is an amenable number.

1150532021 is a deficient number, since it is larger than the sum of its proper divisors (5068651).

1150532021 is an equidigital number, since it uses as much as digits as its factorization.

1150532021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068650.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1150532021 is about 33919.4932302946. The cubic root of 1150532021 is about 1047.8510914067.

Adding to 1150532021 its reverse (1202350511), we get a palindrome (2352882532).

The spelling of 1150532021 in words is "one billion, one hundred fifty million, five hundred thirty-two thousand, twenty-one".