102196643 has 2 divisors, whose sum is σ = 102196644. Its totient is φ = 102196642.

The previous prime is 102196631. The next prime is 102196669. The reversal of 102196643 is 346691201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102196643 - 2⁶ = 102196579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102196603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51098321 + 51098322.

It is an arithmetic number, because the mean of its divisors is an integer number (51098322).

Almost surely, 2^102196643 is an apocalyptic number.

102196643 is a deficient number, since it is larger than the sum of its proper divisors (1).

102196643 is an equidigital number, since it uses as much as digits as its factorization.

102196643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 102196643 is about 10109.2355299498. The cubic root of 102196643 is about 467.5329352339.

The spelling of 102196643 in words is "one hundred two million, one hundred ninety-six thousand, six hundred forty-three".