1260178259 has 2 divisors, whose sum is σ = 1260178260. Its totient is φ = 1260178258.

The previous prime is 1260178243. The next prime is 1260178273. The reversal of 1260178259 is 9528710621.

It is a strong prime.

It is an emirp because it is prime and its reverse (9528710621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1260178259 - 2⁴ = 1260178243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1260178289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630089129 + 630089130.

It is an arithmetic number, because the mean of its divisors is an integer number (630089130).

Almost surely, 2^1260178259 is an apocalyptic number.

1260178259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260178259 is an equidigital number, since it uses as much as digits as its factorization.

1260178259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1260178259 is about 35498.9895489998. The cubic root of 1260178259 is about 1080.1332308774.

The spelling of 1260178259 in words is "one billion, two hundred sixty million, one hundred seventy-eight thousand, two hundred fifty-nine".