1326118051 has 2 divisors, whose sum is σ = 1326118052. Its totient is φ = 1326118050.

The previous prime is 1326118037. The next prime is 1326118081. The reversal of 1326118051 is 1508116231.

It is a weak prime.

It is an emirp because it is prime and its reverse (1508116231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1326118051 - 2¹⁷ = 1325986979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1326118021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663059025 + 663059026.

It is an arithmetic number, because the mean of its divisors is an integer number (663059026).

Almost surely, 2^1326118051 is an apocalyptic number.

1326118051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326118051 is an equidigital number, since it uses as much as digits as its factorization.

1326118051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1326118051 is about 36415.9038196225. The cubic root of 1326118051 is about 1098.6534628115.

The spelling of 1326118051 in words is "one billion, three hundred twenty-six million, one hundred eighteen thousand, fifty-one".