1121311132 has 24 divisors (see below), whose sum is σ = 2021438160. Its totient is φ = 543911040.

The previous prime is 1121311097. The next prime is 1121311133. The reversal of 1121311132 is 2311131211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121311133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10258 + ... + 48454.

It is an arithmetic number, because the mean of its divisors is an integer number (84226590).

Almost surely, 2^1121311132 is an apocalyptic number.

It is an amenable number.

1121311132 is a deficient number, since it is larger than the sum of its proper divisors (900127028).

1121311132 is a wasteful number, since it uses less digits than its factorization.

1121311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38421 (or 38419 counting only the distinct ones).

The product of its digits is 36, while the sum is 16.

The square root of 1121311132 is about 33485.9841127598. The cubic root of 1121311132 is about 1038.9039031251.

Adding to 1121311132 its reverse (2311131211), we get a palindrome (3432442343).

The spelling of 1121311132 in words is "one billion, one hundred twenty-one million, three hundred eleven thousand, one hundred thirty-two".