1301202015 has 64 divisors (see below), whose sum is σ = 2295475200. Its totient is φ = 626468864.

The previous prime is 1301202013. The next prime is 1301202017. The reversal of 1301202015 is 5102021031.

It is an interprime number because it is at equal distance from previous prime (1301202013) and next prime (1301202017).

It is a cyclic number.

It is not a de Polignac number, because 1301202015 - 2¹ = 1301202013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1301201985 and 1301202003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301202011) 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 63 ways as a sum of consecutive naturals, for example, 1323214 + ... + 1324196.

It is an arithmetic number, because the mean of its divisors is an integer number (35866800).

Almost surely, 2^1301202015 is an apocalyptic number.

1301202015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1301202015 is a deficient number, since it is larger than the sum of its proper divisors (994273185).

1301202015 is a wasteful number, since it uses less digits than its factorization.

1301202015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1301202015 is about 36072.1778521896. The cubic root of 1301202015 is about 1091.7291565210.

Adding to 1301202015 its reverse (5102021031), we get a palindrome (6403223046).

The spelling of 1301202015 in words is "one billion, three hundred one million, two hundred two thousand, fifteen".