1101442987 has 2 divisors, whose sum is σ = 1101442988. Its totient is φ = 1101442986.

The previous prime is 1101442961. The next prime is 1101443009. The reversal of 1101442987 is 7892441011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101442987 - 2²³ = 1093054379 is a prime.

It is a super-2 number, since 2×1101442987² = 2426353307222964338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101442187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550721493 + 550721494.

It is an arithmetic number, because the mean of its divisors is an integer number (550721494).

Almost surely, 2^1101442987 is an apocalyptic number.

1101442987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101442987 is an equidigital number, since it uses as much as digits as its factorization.

1101442987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1101442987 is about 33187.9946215495. The cubic root of 1101442987 is about 1032.7313020988.

Adding to 1101442987 its reverse (7892441011), we get a palindrome (8993883998).

The spelling of 1101442987 in words is "one billion, one hundred one million, four hundred forty-two thousand, nine hundred eighty-seven".