1003121001049 has 2 divisors, whose sum is σ = 1003121001050. Its totient is φ = 1003121001048.

The previous prime is 1003121001017. The next prime is 1003121001107. The reversal of 1003121001049 is 9401001213001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600054735424 + 403066265625 = 774632^2 + 634875^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003121001049 - 2⁵ = 1003121001017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003121041049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501560500524 + 501560500525.

It is an arithmetic number, because the mean of its divisors is an integer number (501560500525).

Almost surely, 2^{1003121001049} is an apocalyptic number.

It is an amenable number.

1003121001049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003121001049 is an equidigital number, since it uses as much as digits as its factorization.

1003121001049 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 22.

The spelling of 1003121001049 in words is "one trillion, three billion, one hundred twenty-one million, one thousand, forty-nine".