1301515 has 8 divisors (see below), whose sum is σ = 1573200. Its totient is φ = 1033632.

The previous prime is 1301507. The next prime is 1301527. The reversal of 1301515 is 5151031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1301515 - 2³ = 1301507 is a prime.

1301515 is a modest number, since divided by 1515 gives 130 as remainder.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 129 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (196650).

2^1301515 is an apocalyptic number.

1301515 is a deficient number, since it is larger than the sum of its proper divisors (271685).

1301515 is a wasteful number, since it uses less digits than its factorization.

1301515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 1301515 is about 1140.8396030994. The cubic root of 1301515 is about 109.1816682632.

Adding to 1301515 its reverse (5151031), we get a palindrome (6452546).

The spelling of 1301515 in words is "one million, three hundred one thousand, five hundred fifteen".