102620263 has 2 divisors, whose sum is σ = 102620264. Its totient is φ = 102620262.

The previous prime is 102620257. The next prime is 102620267. The reversal of 102620263 is 362026201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102620263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102620267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51310131 + 51310132.

It is an arithmetic number, because the mean of its divisors is an integer number (51310132).

Almost surely, 2^102620263 is an apocalyptic number.

102620263 is a deficient number, since it is larger than the sum of its proper divisors (1).

102620263 is an equidigital number, since it uses as much as digits as its factorization.

102620263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 102620263 is about 10130.1659907427. The cubic root of 102620263 is about 468.1780421156.

Adding to 102620263 its reverse (362026201), we get a palindrome (464646464).

The spelling of 102620263 in words is "one hundred two million, six hundred twenty thousand, two hundred sixty-three".