1260122599 has 2 divisors, whose sum is σ = 1260122600. Its totient is φ = 1260122598.

The previous prime is 1260122557. The next prime is 1260122621. The reversal of 1260122599 is 9952210621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260122599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1260122509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630061299 + 630061300.

It is an arithmetic number, because the mean of its divisors is an integer number (630061300).

Almost surely, 2^1260122599 is an apocalyptic number.

1260122599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260122599 is an equidigital number, since it uses as much as digits as its factorization.

1260122599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1260122599 is about 35498.2055743667. The cubic root of 1260122599 is about 1080.1173280741.

The spelling of 1260122599 in words is "one billion, two hundred sixty million, one hundred twenty-two thousand, five hundred ninety-nine".