1101120132 has 48 divisors (see below), whose sum is σ = 2956060800. Its totient is φ = 312490752.

The previous prime is 1101120131. The next prime is 1101120187. The reversal of 1101120132 is 2310211011.

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

It is not an unprimeable number, because it can be changed into a prime (1101120131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31473 + ... + 56504.

It is an arithmetic number, because the mean of its divisors is an integer number (61584600).

Almost surely, 2^1101120132 is an apocalyptic number.

1101120132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101120132 is an abundant number, since it is smaller than the sum of its proper divisors (1854940668).

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

1101120132 is a wasteful number, since it uses less digits than its factorization.

1101120132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88140 (or 88138 counting only the distinct ones).

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

The square root of 1101120132 is about 33183.1302320923. The cubic root of 1101120132 is about 1032.6303874952.

Adding to 1101120132 its reverse (2310211011), we get a palindrome (3411331143).

The spelling of 1101120132 in words is "one billion, one hundred one million, one hundred twenty thousand, one hundred thirty-two".