1217473005 has 16 divisors (see below), whose sum is σ = 2226236544. Its totient is φ = 556559040.

The previous prime is 1217472989. The next prime is 1217473027. The reversal of 1217473005 is 5003747121.

It is not a de Polignac number, because 1217473005 - 2⁴ = 1217472989 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5797386 + ... + 5797595.

It is an arithmetic number, because the mean of its divisors is an integer number (139139784).

Almost surely, 2^1217473005 is an apocalyptic number.

1217473005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1217473005 is a deficient number, since it is larger than the sum of its proper divisors (1008763539).

1217473005 is a wasteful number, since it uses less digits than its factorization.

1217473005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11594996.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 1217473005 is about 34892.3058137464. The cubic root of 1217473005 is about 1067.7914690212.

The spelling of 1217473005 in words is "one billion, two hundred seventeen million, four hundred seventy-three thousand, five".