10122084989 has 2 divisors, whose sum is σ = 10122084990. Its totient is φ = 10122084988.

The previous prime is 10122084953. The next prime is 10122085009. The reversal of 10122084989 is 98948022101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8821905625 + 1300179364 = 93925^2 + 36058^2 .

It is a cyclic number.

It is not a de Polignac number, because 10122084989 - 2¹² = 10122080893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10122054989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061042494 + 5061042495.

It is an arithmetic number, because the mean of its divisors is an integer number (5061042495).

Almost surely, 2^10122084989 is an apocalyptic number.

It is an amenable number.

10122084989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10122084989 is an equidigital number, since it uses as much as digits as its factorization.

10122084989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 10122084989 in words is "ten billion, one hundred twenty-two million, eighty-four thousand, nine hundred eighty-nine".