1151322132 has 48 divisors (see below), whose sum is σ = 2806070400. Its totient is φ = 366715008.

The previous prime is 1151322131. The next prime is 1151322149. The reversal of 1151322132 is 2312231511.

It is a junction number, because it is equal to n+sod(n) for n = 1151322099 and 1151322108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151322131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426178 + ... + 428870.

It is an arithmetic number, because the mean of its divisors is an integer number (58459800).

Almost surely, 2^1151322132 is an apocalyptic number.

1151322132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1151322132 is an abundant number, since it is smaller than the sum of its proper divisors (1654748268).

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

1151322132 is a wasteful number, since it uses less digits than its factorization.

1151322132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272 (or 4270 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 1151322132 is about 33931.1380887821. The cubic root of 1151322132 is about 1048.0909019785.

Adding to 1151322132 its reverse (2312231511), we get a palindrome (3463553643).

The spelling of 1151322132 in words is "one billion, one hundred fifty-one million, three hundred twenty-two thousand, one hundred thirty-two".