1206870941 has 2 divisors, whose sum is σ = 1206870942. Its totient is φ = 1206870940.

The previous prime is 1206870923. The next prime is 1206870943. The reversal of 1206870941 is 1490786021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1178205625 + 28665316 = 34325^2 + 5354^2 .

It is an emirp because it is prime and its reverse (1490786021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1206870941 - 2¹⁸ = 1206608797 is a prime.

Together with 1206870943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1206870895 and 1206870904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206870943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603435470 + 603435471.

It is an arithmetic number, because the mean of its divisors is an integer number (603435471).

Almost surely, 2^1206870941 is an apocalyptic number.

It is an amenable number.

1206870941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206870941 is an equidigital number, since it uses as much as digits as its factorization.

1206870941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1206870941 is about 34740.0480857468. The cubic root of 1206870941 is about 1064.6828950037.

The spelling of 1206870941 in words is "one billion, two hundred six million, eight hundred seventy thousand, nine hundred forty-one".