1207109993 has 2 divisors, whose sum is σ = 1207109994. Its totient is φ = 1207109992.

The previous prime is 1207109947. The next prime is 1207110011. The reversal of 1207109993 is 3999017021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1191837529 + 15272464 = 34523^2 + 3908^2 .

It is a cyclic number.

It is not a de Polignac number, because 1207109993 - 2¹² = 1207105897 is a prime.

It is a super-2 number, since 2×1207109993² = 2914229070400920098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1207109993.

It is not a weakly prime, because it can be changed into another prime (1207109923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603554996 + 603554997.

It is an arithmetic number, because the mean of its divisors is an integer number (603554997).

Almost surely, 2^1207109993 is an apocalyptic number.

It is an amenable number.

1207109993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207109993 is an equidigital number, since it uses as much as digits as its factorization.

1207109993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 1207109993 is about 34743.4884978466. The cubic root of 1207109993 is about 1064.7531863564.

The spelling of 1207109993 in words is "one billion, two hundred seven million, one hundred nine thousand, nine hundred ninety-three".