1003973101 has 2 divisors, whose sum is σ = 1003973102. Its totient is φ = 1003973100.

The previous prime is 1003973093. The next prime is 1003973123. The reversal of 1003973101 is 1013793001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970634025 + 33339076 = 31155^2 + 5774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003973101 - 2³ = 1003973093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003973171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501986550 + 501986551.

It is an arithmetic number, because the mean of its divisors is an integer number (501986551).

Almost surely, 2^1003973101 is an apocalyptic number.

It is an amenable number.

1003973101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003973101 is an equidigital number, since it uses as much as digits as its factorization.

1003973101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 1003973101 is about 31685.5345702104. The cubic root of 1003973101 is about 1001.3226169133.

The spelling of 1003973101 in words is "one billion, three million, nine hundred seventy-three thousand, one hundred one".