1315020 has 96 divisors (see below), whose sum is σ = 4386816. Its totient is φ = 288000.

The previous prime is 1315019. The next prime is 1315037. The reversal of 1315020 is 205131.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1314987 and 1315005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12970 + ... + 13070.

It is an arithmetic number, because the mean of its divisors is an integer number (45696).

2^1315020 is an apocalyptic number.

1315020 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 1315020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2193408).

1315020 is an abundant number, since it is smaller than the sum of its proper divisors (3071796).

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

1315020 is a wasteful number, since it uses less digits than its factorization.

1315020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1315020 is about 1146.7432144992. The cubic root of 1315020 is about 109.5580060049.

1315020 divided by its product of nonzero digits (30) gives a palindrome (43834).

It can be divided in two parts, 131 and 5020, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 1315020 in words is "one million, three hundred fifteen thousand, twenty".