1102156697 has 2 divisors, whose sum is σ = 1102156698. Its totient is φ = 1102156696.

The previous prime is 1102156691. The next prime is 1102156763. The reversal of 1102156697 is 7966512011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1059437401 + 42719296 = 32549^2 + 6536^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102156697 - 2⁴ = 1102156681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1102156697.

It is not a weakly prime, because it can be changed into another prime (1102156691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551078348 + 551078349.

It is an arithmetic number, because the mean of its divisors is an integer number (551078349).

Almost surely, 2^1102156697 is an apocalyptic number.

It is an amenable number.

1102156697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102156697 is an equidigital number, since it uses as much as digits as its factorization.

1102156697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1102156697 is about 33198.7454130423. The cubic root of 1102156697 is about 1032.9543160669.

The spelling of 1102156697 in words is "one billion, one hundred two million, one hundred fifty-six thousand, six hundred ninety-seven".