102920269 has 2 divisors, whose sum is σ = 102920270. Its totient is φ = 102920268.

The previous prime is 102920243. The next prime is 102920297. The reversal of 102920269 is 962029201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67076100 + 35844169 = 8190^2 + 5987^2 .

It is a cyclic number.

It is not a de Polignac number, because 102920269 - 2⁷ = 102920141 is a prime.

It is a super-2 number, since 2×102920269² = 21185163542064722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102920269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102920219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51460134 + 51460135.

It is an arithmetic number, because the mean of its divisors is an integer number (51460135).

Almost surely, 2^102920269 is an apocalyptic number.

It is an amenable number.

102920269 is a deficient number, since it is larger than the sum of its proper divisors (1).

102920269 is an equidigital number, since it uses as much as digits as its factorization.

102920269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 102920269 is about 10144.9627401977. The cubic root of 102920269 is about 468.6338311474.

The spelling of 102920269 in words is "one hundred two million, nine hundred twenty thousand, two hundred sixty-nine".