1017131479 has 16 divisors (see below), whose sum is σ = 1253873152. Its totient is φ = 803465568.

The previous prime is 1017131477. The next prime is 1017131497. The reversal of 1017131479 is 9741317101.

It is a happy number.

1017131479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1017131479 - 2¹ = 1017131477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017131473) 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, 49822 + ... + 67204.

It is an arithmetic number, because the mean of its divisors is an integer number (78367072).

Almost surely, 2^1017131479 is an apocalyptic number.

1017131479 is a deficient number, since it is larger than the sum of its proper divisors (236741673).

1017131479 is a wasteful number, since it uses less digits than its factorization.

1017131479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18046.

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 1017131479 is about 31892.4987889002. The cubic root of 1017131479 is about 1005.6781901317.

It can be divided in two parts, 1017 and 131479, that added together give a square (132496 = 364²).

The spelling of 1017131479 in words is "one billion, seventeen million, one hundred thirty-one thousand, four hundred seventy-nine".