1260122017 has 16 divisors (see below), whose sum is σ = 1577826432. Its totient is φ = 977685120.

The previous prime is 1260121979. The next prime is 1260122021. The reversal of 1260122017 is 7102210621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1260122017 - 2²⁷ = 1125904289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1260122057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17178 + ... + 53059.

It is an arithmetic number, because the mean of its divisors is an integer number (98614152).

Almost surely, 2^1260122017 is an apocalyptic number.

It is an amenable number.

1260122017 is a deficient number, since it is larger than the sum of its proper divisors (317704415).

1260122017 is a wasteful number, since it uses less digits than its factorization.

1260122017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70488.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1260122017 is about 35498.1973767683. The cubic root of 1260122017 is about 1080.1171617865.

Adding to 1260122017 its reverse (7102210621), we get a palindrome (8362332638).

The spelling of 1260122017 in words is "one billion, two hundred sixty million, one hundred twenty-two thousand, seventeen".