1111142232 has 32 divisors (see below), whose sum is σ = 3086506800. Its totient is φ = 370380672.

The previous prime is 1111142203. The next prime is 1111142251. The reversal of 1111142232 is 2322411111.

It is a super-3 number, since 3×1111142232³ (a number of 28 digits) contains 333 as substring.

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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2571873 + ... + 2572304.

Almost surely, 2^1111142232 is an apocalyptic number.

1111142232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111142232 is an abundant number, since it is smaller than the sum of its proper divisors (1975364568).

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

1111142232 is a wasteful number, since it uses less digits than its factorization.

1111142232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144192 (or 5144182 counting only the distinct ones).

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

The square root of 1111142232 is about 33333.8001433980. The cubic root of 1111142232 is about 1035.7538385448.

Adding to 1111142232 its reverse (2322411111), we get a palindrome (3433553343).

The spelling of 1111142232 in words is "one billion, one hundred eleven million, one hundred forty-two thousand, two hundred thirty-two".