1111440132 has 72 divisors (see below), whose sum is σ = 3198162240. Its totient is φ = 322153920.

The previous prime is 1111440107. The next prime is 1111440133. The reversal of 1111440132 is 2310441111.

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

It is not an unprimeable number, because it can be changed into a prime (1111440133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51907 + ... + 70122.

It is an arithmetic number, because the mean of its divisors is an integer number (44418920).

Almost surely, 2^1111440132 is an apocalyptic number.

1111440132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111440132 is an abundant number, since it is smaller than the sum of its proper divisors (2086722108).

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

1111440132 is a wasteful number, since it uses less digits than its factorization.

1111440132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122073 (or 122068 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1111440132 is about 33338.2682813610. The cubic root of 1111440132 is about 1035.8463930019.

Adding to 1111440132 its reverse (2310441111), we get a palindrome (3421881243).

The spelling of 1111440132 in words is "one billion, one hundred eleven million, four hundred forty thousand, one hundred thirty-two".