1121001132 has 24 divisors (see below), whose sum is σ = 2638820016. Its totient is φ = 370359808.

The previous prime is 1121001109. The next prime is 1121001143. The reversal of 1121001132 is 2311001211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411993 + ... + 414704.

It is an arithmetic number, because the mean of its divisors is an integer number (109950834).

Almost surely, 2^1121001132 is an apocalyptic number.

1121001132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121001132 is an abundant number, since it is smaller than the sum of its proper divisors (1517818884).

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

1121001132 is a wasteful number, since it uses less digits than its factorization.

1121001132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826817 (or 826815 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1121001132 is about 33481.3549905018. The cubic root of 1121001132 is about 1038.8081551255.

Adding to 1121001132 its reverse (2311001211), we get a palindrome (3432002343).

The spelling of 1121001132 in words is "one billion, one hundred twenty-one million, one thousand, one hundred thirty-two".