1214297465 has 4 divisors (see below), whose sum is σ = 1457156964. Its totient is φ = 971437968.

The previous prime is 1214297449. The next prime is 1214297477. The reversal of 1214297465 is 5647924121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 141800464 + 1072497001 = 11908^2 + 32749^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214297465 - 2⁴ = 1214297449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121429742 + ... + 121429751.

It is an arithmetic number, because the mean of its divisors is an integer number (364289241).

Almost surely, 2^1214297465 is an apocalyptic number.

It is an amenable number.

1214297465 is a deficient number, since it is larger than the sum of its proper divisors (242859499).

1214297465 is an equidigital number, since it uses as much as digits as its factorization.

1214297465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242859498.

The product of its digits is 120960, while the sum is 41.

The square root of 1214297465 is about 34846.7712277623. The cubic root of 1214297465 is about 1066.8622856830.

The spelling of 1214297465 in words is "one billion, two hundred fourteen million, two hundred ninety-seven thousand, four hundred sixty-five".