1520412 has 48 divisors (see below), whose sum is σ = 3900960. Its totient is φ = 458752.

The previous prime is 1520401. The next prime is 1520417. The reversal of 1520412 is 2140251.

It is a junction number, because it is equal to n+sod(n) for n = 1520391 and 1520400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520417) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5788 + ... + 6044.

It is an arithmetic number, because the mean of its divisors is an integer number (81270).

2^1520412 is an apocalyptic number.

1520412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1520412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1950480).

1520412 is an abundant number, since it is smaller than the sum of its proper divisors (2380548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1520412 is a wasteful number, since it uses less digits than its factorization.

1520412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1520412 is about 1233.0498773367. The cubic root of 1520412 is about 114.9883289983.

Adding to 1520412 its reverse (2140251), we get a palindrome (3660663).

The spelling of 1520412 in words is "one million, five hundred twenty thousand, four hundred twelve".