123001049 has 2 divisors, whose sum is σ = 123001050. Its totient is φ = 123001048.

The previous prime is 123001037. The next prime is 123001051. The reversal of 123001049 is 940100321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114918400 + 8082649 = 10720^2 + 2843^2 .

It is a cyclic number.

It is not a de Polignac number, because 123001049 - 2²⁰ = 121952473 is a prime.

Together with 123001051, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123001049.

It is not a weakly prime, because it can be changed into another prime (123001349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61500524 + 61500525.

It is an arithmetic number, because the mean of its divisors is an integer number (61500525).

Almost surely, 2^123001049 is an apocalyptic number.

It is an amenable number.

123001049 is a deficient number, since it is larger than the sum of its proper divisors (1).

123001049 is an equidigital number, since it uses as much as digits as its factorization.

123001049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 123001049 is about 11090.5837988809. The cubic root of 123001049 is about 497.3203971104.

The spelling of 123001049 in words is "one hundred twenty-three million, one thousand, forty-nine".