1302015 has 32 divisors (see below), whose sum is σ = 2451456. Its totient is φ = 581760.

The previous prime is 1301959. The next prime is 1302017. The reversal of 1302015 is 5102031.

It is not a de Polignac number, because 1302015 - 2⁷ = 1301887 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1842 + ... + 2448.

It is an arithmetic number, because the mean of its divisors is an integer number (76608).

2^1302015 is an apocalyptic number.

1302015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1302015 is a deficient number, since it is larger than the sum of its proper divisors (1149441).

1302015 is a wasteful number, since it uses less digits than its factorization.

1302015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639.

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

The square root of 1302015 is about 1141.0587189098. The cubic root of 1302015 is about 109.1956478293.

Adding to 1302015 its reverse (5102031), we get a palindrome (6404046).

It can be divided in two parts, 130 and 2015, that added together give a triangular number (2145 = T₆₅).

The spelling of 1302015 in words is "one million, three hundred two thousand, fifteen".