1203100001 has 2 divisors, whose sum is σ = 1203100002. Its totient is φ = 1203100000.

The previous prime is 1203099971. The next prime is 1203100027. The reversal of 1203100001 is 1000013021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1181709376 + 21390625 = 34376^2 + 4625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203100001 is a prime.

It is a super-2 number, since 2×1203100001² = 2894899224812400002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1203100091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601550000 + 601550001.

It is an arithmetic number, because the mean of its divisors is an integer number (601550001).

Almost surely, 2^1203100001 is an apocalyptic number.

It is an amenable number.

1203100001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203100001 is an equidigital number, since it uses as much as digits as its factorization.

1203100001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1203100001 is about 34685.7319513370. The cubic root of 1203100001 is about 1063.5728497330.

Adding to 1203100001 its reverse (1000013021), we get a palindrome (2203113022).

The spelling of 1203100001 in words is "one billion, two hundred three million, one hundred thousand, one".