1214683143 has 4 divisors (see below), whose sum is σ = 1619577528. Its totient is φ = 809788760.

The previous prime is 1214683111. The next prime is 1214683157. The reversal of 1214683143 is 3413864121.

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 1214683143 - 2⁵ = 1214683111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214683193) 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, 202447188 + ... + 202447193.

It is an arithmetic number, because the mean of its divisors is an integer number (404894382).

Almost surely, 2^1214683143 is an apocalyptic number.

1214683143 is a deficient number, since it is larger than the sum of its proper divisors (404894385).

1214683143 is an equidigital number, since it uses as much as digits as its factorization.

1214683143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404894384.

The product of its digits is 13824, while the sum is 33.

The square root of 1214683143 is about 34852.3047014111. The cubic root of 1214683143 is about 1066.9752238962.

The spelling of 1214683143 in words is "one billion, two hundred fourteen million, six hundred eighty-three thousand, one hundred forty-three".