102642053 has 2 divisors, whose sum is σ = 102642054. Its totient is φ = 102642052.

The previous prime is 102642019. The next prime is 102642083. The reversal of 102642053 is 350246201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98049604 + 4592449 = 9902^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 102642053 - 2¹⁸ = 102379909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102642083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51321026 + 51321027.

It is an arithmetic number, because the mean of its divisors is an integer number (51321027).

Almost surely, 2^102642053 is an apocalyptic number.

It is an amenable number.

102642053 is a deficient number, since it is larger than the sum of its proper divisors (1).

102642053 is an equidigital number, since it uses as much as digits as its factorization.

102642053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 102642053 is about 10131.2414342962. The cubic root of 102642053 is about 468.2111768243.

Adding to 102642053 its reverse (350246201), we get a palindrome (452888254).

The spelling of 102642053 in words is "one hundred two million, six hundred forty-two thousand, fifty-three".