1210680979 has 2 divisors, whose sum is σ = 1210680980. Its totient is φ = 1210680978.

The previous prime is 1210680971. The next prime is 1210681051. The reversal of 1210680979 is 9790860121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210680979 - 2³ = 1210680971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210680971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605340489 + 605340490.

It is an arithmetic number, because the mean of its divisors is an integer number (605340490).

Almost surely, 2^1210680979 is an apocalyptic number.

1210680979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210680979 is an equidigital number, since it uses as much as digits as its factorization.

1210680979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 1210680979 is about 34794.8412699354. The cubic root of 1210680979 is about 1065.8021036144.

The spelling of 1210680979 in words is "one billion, two hundred ten million, six hundred eighty thousand, nine hundred seventy-nine".