120100289 has 2 divisors, whose sum is σ = 120100290. Its totient is φ = 120100288.

The previous prime is 120100213. The next prime is 120100313. The reversal of 120100289 is 982001021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68145025 + 51955264 = 8255^2 + 7208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120100289 is a prime.

It is not a weakly prime, because it can be changed into another prime (120100489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050144 + 60050145.

It is an arithmetic number, because the mean of its divisors is an integer number (60050145).

Almost surely, 2^120100289 is an apocalyptic number.

It is an amenable number.

120100289 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100289 is an equidigital number, since it uses as much as digits as its factorization.

120100289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 120100289 is about 10959.0277397222. The cubic root of 120100289 is about 493.3797843507.

The spelling of 120100289 in words is "one hundred twenty million, one hundred thousand, two hundred eighty-nine".