1207972973 has 2 divisors, whose sum is σ = 1207972974. Its totient is φ = 1207972972.

The previous prime is 1207972943. The next prime is 1207972993. The reversal of 1207972973 is 3792797021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 962674729 + 245298244 = 31027^2 + 15662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1207972973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1207972933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603986486 + 603986487.

It is an arithmetic number, because the mean of its divisors is an integer number (603986487).

Almost surely, 2^1207972973 is an apocalyptic number.

It is an amenable number.

1207972973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207972973 is an equidigital number, since it uses as much as digits as its factorization.

1207972973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 333396, while the sum is 47.

The square root of 1207972973 is about 34755.9055845190. The cubic root of 1207972973 is about 1065.0068616161.

The spelling of 1207972973 in words is "one billion, two hundred seven million, nine hundred seventy-two thousand, nine hundred seventy-three".