102123932501 has 2 divisors, whose sum is σ = 102123932502. Its totient is φ = 102123932500.

The previous prime is 102123932483. The next prime is 102123932509. The reversal of 102123932501 is 105239321201.

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., 60098522500 + 42025410001 = 245150^2 + 205001^2 .

It is a cyclic number.

It is not a de Polignac number, because 102123932501 - 2³⁴ = 84944063317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102123932509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061966250 + 51061966251.

It is an arithmetic number, because the mean of its divisors is an integer number (51061966251).

Almost surely, 2^102123932501 is an apocalyptic number.

It is an amenable number.

102123932501 is a deficient number, since it is larger than the sum of its proper divisors (1).

102123932501 is an equidigital number, since it uses as much as digits as its factorization.

102123932501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 102123932501 in words is "one hundred two billion, one hundred twenty-three million, nine hundred thirty-two thousand, five hundred one".