1121142132 has 36 divisors (see below), whose sum is σ = 3091635456. Its totient is φ = 339739920.

The previous prime is 1121142109. The next prime is 1121142137. The reversal of 1121142132 is 2312411211.

1121142132 is a `hidden beast` number, since 1 + 1 + 211 + 421 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121142137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1415188 + ... + 1415979.

Almost surely, 2^1121142132 is an apocalyptic number.

1121142132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121142132 is an abundant number, since it is smaller than the sum of its proper divisors (1970493324).

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

1121142132 is a wasteful number, since it uses less digits than its factorization.

1121142132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831188 (or 2831183 counting only the distinct ones).

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

The square root of 1121142132 is about 33483.4605738415. The cubic root of 1121142132 is about 1038.8517072103.

Adding to 1121142132 its reverse (2312411211), we get a palindrome (3433553343).

The spelling of 1121142132 in words is "one billion, one hundred twenty-one million, one hundred forty-two thousand, one hundred thirty-two".