1214403143 has 12 divisors (see below), whose sum is σ = 1299928872. Its totient is φ = 1134207360.

The previous prime is 1214403133. The next prime is 1214403181. The reversal of 1214403143 is 3413044121.

It is not a de Polignac number, because 1214403143 - 2⁶ = 1214403079 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 (1214403103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21821 + ... + 53897.

It is an arithmetic number, because the mean of its divisors is an integer number (108327406).

Almost surely, 2^1214403143 is an apocalyptic number.

1214403143 is a deficient number, since it is larger than the sum of its proper divisors (85525729).

1214403143 is a wasteful number, since it uses less digits than its factorization.

1214403143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32242 (or 32225 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1214403143 is about 34848.2875189011. The cubic root of 1214403143 is about 1066.8932337841.

Adding to 1214403143 its reverse (3413044121), we get a palindrome (4627447264).

The spelling of 1214403143 in words is "one billion, two hundred fourteen million, four hundred three thousand, one hundred forty-three".