1215462383 has 4 divisors (see below), whose sum is σ = 1215721080. Its totient is φ = 1215203688.

The previous prime is 1215462361. The next prime is 1215462397. The reversal of 1215462383 is 3832645121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1215462383 - 2¹² = 1215458287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215462323) 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 3 ways as a sum of consecutive naturals, for example, 122168 + ... + 131741.

It is an arithmetic number, because the mean of its divisors is an integer number (303930270).

Almost surely, 2^1215462383 is an apocalyptic number.

1215462383 is a deficient number, since it is larger than the sum of its proper divisors (258697).

1215462383 is an equidigital number, since it uses as much as digits as its factorization.

1215462383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258696.

The product of its digits is 34560, while the sum is 35.

The square root of 1215462383 is about 34863.4820836932. The cubic root of 1215462383 is about 1067.2033360722.

The spelling of 1215462383 in words is "one billion, two hundred fifteen million, four hundred sixty-two thousand, three hundred eighty-three".