1520707045 has 16 divisors (see below), whose sum is σ = 2143878912. Its totient is φ = 1020893760.

The previous prime is 1520707037. The next prime is 1520707073. The reversal of 1520707045 is 5407070251.

It is not a de Polignac number, because 1520707045 - 2³ = 1520707037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1520706998 and 1520707016.

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, 1062717 + ... + 1064146.

It is an arithmetic number, because the mean of its divisors is an integer number (133992432).

Almost surely, 2^1520707045 is an apocalyptic number.

It is an amenable number.

1520707045 is a deficient number, since it is larger than the sum of its proper divisors (623171867).

1520707045 is a wasteful number, since it uses less digits than its factorization.

1520707045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126892.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 1520707045 is about 38996.2439857995. The cubic root of 1520707045 is about 1149.9576657384.

Adding to 1520707045 its reverse (5407070251), we get a palindrome (6927777296).

The spelling of 1520707045 in words is "one billion, five hundred twenty million, seven hundred seven thousand, forty-five".