1214763897 has 4 divisors (see below), whose sum is σ = 1619685200. Its totient is φ = 809842596.

The previous prime is 1214763877. The next prime is 1214763931. The reversal of 1214763897 is 7983674121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1214763897 - 2³⁰ = 141022073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214763827) 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 3 ways as a sum of consecutive naturals, for example, 202460647 + ... + 202460652.

It is an arithmetic number, because the mean of its divisors is an integer number (404921300).

Almost surely, 2^1214763897 is an apocalyptic number.

It is an amenable number.

1214763897 is a deficient number, since it is larger than the sum of its proper divisors (404921303).

1214763897 is an equidigital number, since it uses as much as digits as its factorization.

1214763897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404921302.

The product of its digits is 508032, while the sum is 48.

The square root of 1214763897 is about 34853.4631995158. The cubic root of 1214763897 is about 1066.9988680892.

The spelling of 1214763897 in words is "one billion, two hundred fourteen million, seven hundred sixty-three thousand, eight hundred ninety-seven".