102321629 has 2 divisors, whose sum is σ = 102321630. Its totient is φ = 102321628.

The previous prime is 102321619. The next prime is 102321643. The reversal of 102321629 is 926123201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61387225 + 40934404 = 7835^2 + 6398^2 .

It is a cyclic number.

It is not a de Polignac number, because 102321629 - 2¹² = 102317533 is a prime.

It is a super-2 number, since 2×102321629² = 20939431522427282, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102321598 and 102321607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102321619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160814 + 51160815.

It is an arithmetic number, because the mean of its divisors is an integer number (51160815).

Almost surely, 2^102321629 is an apocalyptic number.

It is an amenable number.

102321629 is a deficient number, since it is larger than the sum of its proper divisors (1).

102321629 is an equidigital number, since it uses as much as digits as its factorization.

102321629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 102321629 is about 10115.4154141093. The cubic root of 102321629 is about 467.7234544263.

The spelling of 102321629 in words is "one hundred two million, three hundred twenty-one thousand, six hundred twenty-nine".