1102273987 has 2 divisors, whose sum is σ = 1102273988. Its totient is φ = 1102273986.

The previous prime is 1102273979. The next prime is 1102274009. The reversal of 1102273987 is 7893722011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102273987 - 2³ = 1102273979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102273937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551136993 + 551136994.

It is an arithmetic number, because the mean of its divisors is an integer number (551136994).

Almost surely, 2^1102273987 is an apocalyptic number.

1102273987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102273987 is an equidigital number, since it uses as much as digits as its factorization.

1102273987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1102273987 is about 33200.5118484640. The cubic root of 1102273987 is about 1032.9909566264.

Adding to 1102273987 its reverse (7893722011), we get a palindrome (8995995998).

The spelling of 1102273987 in words is "one billion, one hundred two million, two hundred seventy-three thousand, nine hundred eighty-seven".