102112553 has 2 divisors, whose sum is σ = 102112554. Its totient is φ = 102112552.

The previous prime is 102112541. The next prime is 102112603. The reversal of 102112553 is 355211201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85895824 + 16216729 = 9268^2 + 4027^2 .

It is an emirp because it is prime and its reverse (355211201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102112553 - 2¹⁸ = 101850409 is a prime.

It is not a weakly prime, because it can be changed into another prime (102112513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51056276 + 51056277.

It is an arithmetic number, because the mean of its divisors is an integer number (51056277).

Almost surely, 2^102112553 is an apocalyptic number.

It is an amenable number.

102112553 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112553 is an equidigital number, since it uses as much as digits as its factorization.

102112553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 102112553 is about 10105.0756058527. The cubic root of 102112553 is about 467.4046673789.

Adding to 102112553 its reverse (355211201), we get a palindrome (457323754).

The spelling of 102112553 in words is "one hundred two million, one hundred twelve thousand, five hundred fifty-three".