1214054399 has 4 divisors (see below), whose sum is σ = 1214151000. Its totient is φ = 1213957800.

The previous prime is 1214054393. The next prime is 1214054431. The reversal of 1214054399 is 9934504121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1214054399 - 2²⁴ = 1197277183 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 (1214054393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26024 + ... + 55725.

It is an arithmetic number, because the mean of its divisors is an integer number (303537750).

Almost surely, 2^1214054399 is an apocalyptic number.

1214054399 is a deficient number, since it is larger than the sum of its proper divisors (96601).

1214054399 is an equidigital number, since it uses as much as digits as its factorization.

1214054399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96600.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1214054399 is about 34843.2834130195. The cubic root of 1214054399 is about 1066.7910963025.

The spelling of 1214054399 in words is "one billion, two hundred fourteen million, fifty-four thousand, three hundred ninety-nine".