1520230 has 16 divisors (see below), whose sum is σ = 2778480. Its totient is φ = 598752.

The previous prime is 1520227. The next prime is 1520251. The reversal of 1520230 is 320251.

It is a super-2 number, since 2×1520230² = 4622198505800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1520230.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465 + ... + 1804.

It is an arithmetic number, because the mean of its divisors is an integer number (173655).

2^1520230 is an apocalyptic number.

1520230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1520230 is a deficient number, since it is larger than the sum of its proper divisors (1258250).

1520230 is a wasteful number, since it uses less digits than its factorization.

1520230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1520230 is about 1232.9760743826. The cubic root of 1520230 is about 114.9837406124.

Adding to 1520230 its reverse (320251), we get a palindrome (1840481).

The spelling of 1520230 in words is "one million, five hundred twenty thousand, two hundred thirty".