1520428683 has 8 divisors (see below), whose sum is σ = 2045837200. Its totient is φ = 1004319648.

The previous prime is 1520428661. The next prime is 1520428687. The reversal of 1520428683 is 3868240251.

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

It is not a de Polignac number, because 1520428683 - 2²¹ = 1518331531 is a prime.

It is a super-2 number, since 2×1520428683² = 4623406760178228978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1520428687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2324488 + ... + 2325141.

It is an arithmetic number, because the mean of its divisors is an integer number (255729650).

Almost surely, 2^1520428683 is an apocalyptic number.

1520428683 is a deficient number, since it is larger than the sum of its proper divisors (525408517).

1520428683 is a wasteful number, since it uses less digits than its factorization.

1520428683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649741.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1520428683 is about 38992.6747351345. The cubic root of 1520428683 is about 1149.8874957364.

The spelling of 1520428683 in words is "one billion, five hundred twenty million, four hundred twenty-eight thousand, six hundred eighty-three".