1261414617 has 8 divisors (see below), whose sum is σ = 1770406560. Its totient is φ = 796682880.

The previous prime is 1261414607. The next prime is 1261414621. The reversal of 1261414617 is 7164141621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1261414617 - 2⁴ = 1261414601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1261414607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11064984 + ... + 11065097.

It is an arithmetic number, because the mean of its divisors is an integer number (221300820).

Almost surely, 2^1261414617 is an apocalyptic number.

It is an amenable number.

1261414617 is a deficient number, since it is larger than the sum of its proper divisors (508991943).

1261414617 is a wasteful number, since it uses less digits than its factorization.

1261414617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22130103.

The product of its digits is 8064, while the sum is 33.

The square root of 1261414617 is about 35516.3992685069. The cubic root of 1261414617 is about 1080.4863541650.

The spelling of 1261414617 in words is "one billion, two hundred sixty-one million, four hundred fourteen thousand, six hundred seventeen".