102962261 has 2 divisors, whose sum is σ = 102962262. Its totient is φ = 102962260.

The previous prime is 102962243. The next prime is 102962263. The reversal of 102962261 is 162269201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102718225 + 244036 = 10135^2 + 494^2 .

It is an emirp because it is prime and its reverse (162269201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102962261 - 2¹⁰ = 102961237 is a prime.

Together with 102962263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102962263) 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, 51481130 + 51481131.

It is an arithmetic number, because the mean of its divisors is an integer number (51481131).

Almost surely, 2^102962261 is an apocalyptic number.

It is an amenable number.

102962261 is a deficient number, since it is larger than the sum of its proper divisors (1).

102962261 is an equidigital number, since it uses as much as digits as its factorization.

102962261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 102962261 is about 10147.0321276716. The cubic root of 102962261 is about 468.6975574872.

The spelling of 102962261 in words is "one hundred two million, nine hundred sixty-two thousand, two hundred sixty-one".