1111132987 has 8 divisors (see below), whose sum is σ = 1115805600. Its totient is φ = 1106470464.

The previous prime is 1111132973. The next prime is 1111133003. The reversal of 1111132987 is 7892311111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1111132987 - 2¹⁵ = 1111100219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111133987) 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, 280839 + ... + 284767.

It is an arithmetic number, because the mean of its divisors is an integer number (139475700).

Almost surely, 2^1111132987 is an apocalyptic number.

1111132987 is a deficient number, since it is larger than the sum of its proper divisors (4672613).

1111132987 is an equidigital number, since it uses as much as digits as its factorization.

1111132987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045.

The product of its digits is 3024, while the sum is 34.

The square root of 1111132987 is about 33333.6614700516. The cubic root of 1111132987 is about 1035.7509659540.

The spelling of 1111132987 in words is "one billion, one hundred eleven million, one hundred thirty-two thousand, nine hundred eighty-seven".