1520479099 has 8 divisors (see below), whose sum is σ = 1625551200. Its totient is φ = 1417143936.

The previous prime is 1520479087. The next prime is 1520479111. The reversal of 1520479099 is 9909740251.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1520479087) and next prime (1520479111).

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

It is not a de Polignac number, because 1520479099 - 2²¹ = 1518381947 is a prime.

It is a super-3 number, since 3×1520479099³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1520479069) 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, 432424 + ... + 435925.

It is an arithmetic number, because the mean of its divisors is an integer number (203193900).

Almost surely, 2^1520479099 is an apocalyptic number.

1520479099 is a deficient number, since it is larger than the sum of its proper divisors (105072101).

1520479099 is a wasteful number, since it uses less digits than its factorization.

1520479099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868469.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 1520479099 is about 38993.3212101765. The cubic root of 1520479099 is about 1149.9002053289.

The spelling of 1520479099 in words is "one billion, five hundred twenty million, four hundred seventy-nine thousand, ninety-nine".