102444101 has 2 divisors, whose sum is σ = 102444102. Its totient is φ = 102444100.

The previous prime is 102444061. The next prime is 102444107. The reversal of 102444101 is 101444201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91221601 + 11222500 = 9551^2 + 3350^2 .

It is an emirp because it is prime and its reverse (101444201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102444101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102444101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102444107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51222050 + 51222051.

It is an arithmetic number, because the mean of its divisors is an integer number (51222051).

Almost surely, 2^102444101 is an apocalyptic number.

It is an amenable number.

102444101 is a deficient number, since it is larger than the sum of its proper divisors (1).

102444101 is an equidigital number, since it uses as much as digits as its factorization.

102444101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 102444101 is about 10121.4673343345. The cubic root of 102444101 is about 467.9099910300.

Adding to 102444101 its reverse (101444201), we get a palindrome (203888302).

The spelling of 102444101 in words is "one hundred two million, four hundred forty-four thousand, one hundred one".