1214262515 has 4 divisors (see below), whose sum is σ = 1457115024. Its totient is φ = 971410008.

The previous prime is 1214262487. The next prime is 1214262521. The reversal of 1214262515 is 5152624121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5152624121 = 57559 ⋅89519.

It is a cyclic number.

It is not a de Polignac number, because 1214262515 - 2²⁸ = 945827059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121426247 + ... + 121426256.

It is an arithmetic number, because the mean of its divisors is an integer number (364278756).

Almost surely, 2^1214262515 is an apocalyptic number.

1214262515 is a deficient number, since it is larger than the sum of its proper divisors (242852509).

1214262515 is an equidigital number, since it uses as much as digits as its factorization.

1214262515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242852508.

The product of its digits is 4800, while the sum is 29.

The square root of 1214262515 is about 34846.2697429725. The cubic root of 1214262515 is about 1066.8520500816.

Adding to 1214262515 its reverse (5152624121), we get a palindrome (6366886636).

The spelling of 1214262515 in words is "one billion, two hundred fourteen million, two hundred sixty-two thousand, five hundred fifteen".