123001259 has 2 divisors, whose sum is σ = 123001260. Its totient is φ = 123001258.

The previous prime is 123001243. The next prime is 123001279. The reversal of 123001259 is 952100321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123001259 - 2⁴ = 123001243 is a prime.

It is not a weakly prime, because it can be changed into another prime (123001279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500629 + 61500630.

It is an arithmetic number, because the mean of its divisors is an integer number (61500630).

Almost surely, 2^123001259 is an apocalyptic number.

123001259 is a deficient number, since it is larger than the sum of its proper divisors (1).

123001259 is an equidigital number, since it uses as much as digits as its factorization.

123001259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 123001259 is about 11090.5932663677. The cubic root of 123001259 is about 497.3206801357.

The spelling of 123001259 in words is "one hundred twenty-three million, one thousand, two hundred fifty-nine".