102269969 has 2 divisors, whose sum is σ = 102269970. Its totient is φ = 102269968.

The previous prime is 102269941. The next prime is 102269987. The reversal of 102269969 is 969962201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84419344 + 17850625 = 9188^2 + 4225^2 .

It is a cyclic number.

It is not a de Polignac number, because 102269969 - 2¹² = 102265873 is a prime.

It is a super-2 number, since 2×102269969² = 20918293118521922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102269929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51134984 + 51134985.

It is an arithmetic number, because the mean of its divisors is an integer number (51134985).

Almost surely, 2^102269969 is an apocalyptic number.

It is an amenable number.

102269969 is a deficient number, since it is larger than the sum of its proper divisors (1).

102269969 is an equidigital number, since it uses as much as digits as its factorization.

102269969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 102269969 is about 10112.8615633756. The cubic root of 102269969 is about 467.6447266558.

The spelling of 102269969 in words is "one hundred two million, two hundred sixty-nine thousand, nine hundred sixty-nine".