102126523 has 2 divisors, whose sum is σ = 102126524. Its totient is φ = 102126522.

The previous prime is 102126517. The next prime is 102126533. The reversal of 102126523 is 325621201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102126523 - 2¹⁷ = 101995451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102126494 and 102126503.

It is not a weakly prime, because it can be changed into another prime (102126503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51063261 + 51063262.

It is an arithmetic number, because the mean of its divisors is an integer number (51063262).

Almost surely, 2^102126523 is an apocalyptic number.

102126523 is a deficient number, since it is larger than the sum of its proper divisors (1).

102126523 is an equidigital number, since it uses as much as digits as its factorization.

102126523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 102126523 is about 10105.7668189999. The cubic root of 102126523 is about 467.4259815898.

Adding to 102126523 its reverse (325621201), we get a palindrome (427747724).

The spelling of 102126523 in words is "one hundred two million, one hundred twenty-six thousand, five hundred twenty-three".