1102169997 has 28 divisors (see below), whose sum is σ = 1661827804. Its totient is φ = 730632960.

The previous prime is 1102169963. The next prime is 1102170011. The reversal of 1102169997 is 7999612011.

It can be written as a sum of positive squares in 2 ways, for example, as 278422596 + 823747401 = 16686^2 + 28701^2 .

It is not a de Polignac number, because 1102169997 - 2⁶ = 1102169933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102169947) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 127773 + ... + 136125.

It is an arithmetic number, because the mean of its divisors is an integer number (59350993).

Almost surely, 2^1102169997 is an apocalyptic number.

It is an amenable number.

1102169997 is a deficient number, since it is larger than the sum of its proper divisors (559657807).

1102169997 is an frugal number, since it uses more digits than its factorization.

1102169997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8552 (or 8537 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 45.

The square root of 1102169997 is about 33198.9457212123. The cubic root of 1102169997 is about 1032.9584710227.

It can be divided in two parts, 11021 and 69997, that added together give a palindrome (81018).

The spelling of 1102169997 in words is "one billion, one hundred two million, one hundred sixty-nine thousand, nine hundred ninety-seven".