1102549997 has 2 divisors, whose sum is σ = 1102549998. Its totient is φ = 1102549996.

The previous prime is 1102549979. The next prime is 1102550021. The reversal of 1102549997 is 7999452011.

Together with previous prime (1102549979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1028228356 + 74321641 = 32066^2 + 8621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102549997 - 2⁸ = 1102549741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102549907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551274998 + 551274999.

It is an arithmetic number, because the mean of its divisors is an integer number (551274999).

Almost surely, 2^1102549997 is an apocalyptic number.

It is an amenable number.

1102549997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102549997 is an equidigital number, since it uses as much as digits as its factorization.

1102549997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 47.

The square root of 1102549997 is about 33204.6683013097. The cubic root of 1102549997 is about 1033.0771699282.

The spelling of 1102549997 in words is "one billion, one hundred two million, five hundred forty-nine thousand, nine hundred ninety-seven".