1520104 has 16 divisors (see below), whose sum is σ = 2872800. Its totient is φ = 754032.

The previous prime is 1520083. The next prime is 1520107. The reversal of 1520104 is 4010251.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1520107) 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 3 ways as a sum of consecutive naturals, for example, 429 + ... + 1795.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

2^1520104 is an apocalyptic number.

It is an amenable number.

1520104 is a deficient number, since it is larger than the sum of its proper divisors (1352696).

1520104 is a wasteful number, since it uses less digits than its factorization.

1520104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512 (or 1508 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1520104 is about 1232.9249774419. The cubic root of 1520104 is about 114.9805638230.

Adding to 1520104 its reverse (4010251), we get a palindrome (5530355).

The spelling of 1520104 in words is "one million, five hundred twenty thousand, one hundred four".