1512020 has 48 divisors (see below), whose sum is σ = 3507840. Its totient is φ = 544896.

The previous prime is 1512019. The next prime is 1512023. The reversal of 1512020 is 202151.

It is a junction number, because it is equal to n+sod(n) for n = 1511992 and 1512010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1512023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8654 + ... + 8826.

It is an arithmetic number, because the mean of its divisors is an integer number (73080).

2^1512020 is an apocalyptic number.

1512020 is a gapful number since it is divisible by the number (10) 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 1512020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1753920).

1512020 is an abundant number, since it is smaller than the sum of its proper divisors (1995820).

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

1512020 is a wasteful number, since it uses less digits than its factorization.

1512020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 1512020 is about 1229.6422243889. The cubic root of 1512020 is about 114.7763770306.

Adding to 1512020 its reverse (202151), we get a palindrome (1714171).

It can be divided in two parts, 15 and 12020, that multiplied together give a triangular number (180300 = T₆₀₀).

The spelling of 1512020 in words is "one million, five hundred twelve thousand, twenty".