1111322987 has 2 divisors, whose sum is σ = 1111322988. Its totient is φ = 1111322986.

The previous prime is 1111322959. The next prime is 1111323011. The reversal of 1111322987 is 7892231111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111322987 - 2¹² = 1111318891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111322957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555661493 + 555661494.

It is an arithmetic number, because the mean of its divisors is an integer number (555661494).

Almost surely, 2^1111322987 is an apocalyptic number.

1111322987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111322987 is an equidigital number, since it uses as much as digits as its factorization.

1111322987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 35.

The square root of 1111322987 is about 33336.5113201727. The cubic root of 1111322987 is about 1035.8099992320.

The spelling of 1111322987 in words is "one billion, one hundred eleven million, three hundred twenty-two thousand, nine hundred eighty-seven".