102646441 has 2 divisors, whose sum is σ = 102646442. Its totient is φ = 102646440.

The previous prime is 102646429. The next prime is 102646463. The reversal of 102646441 is 144646201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96118416 + 6528025 = 9804^2 + 2555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102646441 is a prime.

It is not a weakly prime, because it can be changed into another prime (102646421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51323220 + 51323221.

It is an arithmetic number, because the mean of its divisors is an integer number (51323221).

Almost surely, 2^102646441 is an apocalyptic number.

It is an amenable number.

102646441 is a deficient number, since it is larger than the sum of its proper divisors (1).

102646441 is an equidigital number, since it uses as much as digits as its factorization.

102646441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 102646441 is about 10131.4579898453. The cubic root of 102646441 is about 468.2178488179.

The spelling of 102646441 in words is "one hundred two million, six hundred forty-six thousand, four hundred forty-one".