1303240215 has 16 divisors (see below), whose sum is σ = 2085810048. Its totient is φ = 694852896.

The previous prime is 1303240207. The next prime is 1303240219. The reversal of 1303240215 is 5120423031.

It is not a de Polignac number, because 1303240215 - 2³ = 1303240207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303240191 and 1303240200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303240219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47772 + ... + 69918.

It is an arithmetic number, because the mean of its divisors is an integer number (130363128).

Almost surely, 2^1303240215 is an apocalyptic number.

1303240215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1303240215 is a deficient number, since it is larger than the sum of its proper divisors (782569833).

1303240215 is a wasteful number, since it uses less digits than its factorization.

1303240215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26078.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1303240215 is about 36100.4184878791. The cubic root of 1303240215 is about 1092.2988865402.

Adding to 1303240215 its reverse (5120423031), we get a palindrome (6423663246).

The spelling of 1303240215 in words is "one billion, three hundred three million, two hundred forty thousand, two hundred fifteen".