1479201217 has 4 divisors (see below), whose sum is σ = 1592985940. Its totient is φ = 1365416496.

The previous prime is 1479201203. The next prime is 1479201233. The reversal of 1479201217 is 7121029741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 840072256 + 639128961 = 28984^2 + 25281^2 .

It is a cyclic number.

It is not a de Polignac number, because 1479201217 - 2⁷ = 1479201089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1479201287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56892342 + ... + 56892367.

It is an arithmetic number, because the mean of its divisors is an integer number (398246485).

Almost surely, 2^1479201217 is an apocalyptic number.

It is an amenable number.

1479201217 is a deficient number, since it is larger than the sum of its proper divisors (113784723).

1479201217 is a wasteful number, since it uses less digits than its factorization.

1479201217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113784722.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 1479201217 is about 38460.3850344741. The cubic root of 1479201217 is about 1139.3987845039.

The spelling of 1479201217 in words is "one billion, four hundred seventy-nine million, two hundred one thousand, two hundred seventeen".