1214106443 has 4 divisors (see below), whose sum is σ = 1324479768. Its totient is φ = 1103733120.

The previous prime is 1214106433. The next prime is 1214106503. The reversal of 1214106443 is 3446014121.

It is a happy number.

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 1214106443 - 2⁴ = 1214106427 is a prime.

It is a super-4 number, since 4×1214106443⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214106433) 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, 55186646 + ... + 55186667.

It is an arithmetic number, because the mean of its divisors is an integer number (331119942).

Almost surely, 2^1214106443 is an apocalyptic number.

1214106443 is a deficient number, since it is larger than the sum of its proper divisors (110373325).

1214106443 is a wasteful number, since it uses less digits than its factorization.

1214106443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110373324.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1214106443 is about 34844.0302347475. The cubic root of 1214106443 is about 1066.8063397937.

The spelling of 1214106443 in words is "one billion, two hundred fourteen million, one hundred six thousand, four hundred forty-three".