1207348861 has 2 divisors, whose sum is σ = 1207348862. Its totient is φ = 1207348860.

The previous prime is 1207348859. The next prime is 1207348897. The reversal of 1207348861 is 1688437021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948332025 + 259016836 = 30795^2 + 16094^2 .

It is a cyclic number.

It is not a de Polignac number, because 1207348861 - 2¹ = 1207348859 is a prime.

Together with 1207348859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1207348841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603674430 + 603674431.

It is an arithmetic number, because the mean of its divisors is an integer number (603674431).

Almost surely, 2^1207348861 is an apocalyptic number.

It is an amenable number.

1207348861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207348861 is an equidigital number, since it uses as much as digits as its factorization.

1207348861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1207348861 is about 34746.9259215833. The cubic root of 1207348861 is about 1064.8234143365.

The spelling of 1207348861 in words is "one billion, two hundred seven million, three hundred forty-eight thousand, eight hundred sixty-one".