1294160899 has 2 divisors, whose sum is σ = 1294160900. Its totient is φ = 1294160898.

The previous prime is 1294160893. The next prime is 1294160911. The reversal of 1294160899 is 9980614921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1294160899 - 2¹⁵ = 1294128131 is a prime.

It is not a weakly prime, because it can be changed into another prime (1294160893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647080449 + 647080450.

It is an arithmetic number, because the mean of its divisors is an integer number (647080450).

Almost surely, 2^1294160899 is an apocalyptic number.

1294160899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1294160899 is an equidigital number, since it uses as much as digits as its factorization.

1294160899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 49.

The square root of 1294160899 is about 35974.4478623370. The cubic root of 1294160899 is about 1089.7563911442.

The spelling of 1294160899 in words is "one billion, two hundred ninety-four million, one hundred sixty thousand, eight hundred ninety-nine".