1520015230 has 16 divisors (see below), whose sum is σ = 2782401840. Its totient is φ = 597700672.

The previous prime is 1520015227. The next prime is 1520015239. The reversal of 1520015230 is 325100251.

It is a junction number, because it is equal to n+sod(n) for n = 1520015198 and 1520015207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520015239) 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, 1287559 + ... + 1288738.

It is an arithmetic number, because the mean of its divisors is an integer number (173900115).

Almost surely, 2^1520015230 is an apocalyptic number.

1520015230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1520015230 is a deficient number, since it is larger than the sum of its proper divisors (1262386610).

1520015230 is a wasteful number, since it uses less digits than its factorization.

1520015230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576363.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1520015230 is about 38987.3726993754. The cubic root of 1520015230 is about 1149.7832559385.

Adding to 1520015230 its reverse (325100251), we get a palindrome (1845115481).

The spelling of 1520015230 in words is "one billion, five hundred twenty million, fifteen thousand, two hundred thirty".