1214243433 has 32 divisors (see below), whose sum is σ = 1999764480. Its totient is φ = 723116160.

The previous prime is 1214243389. The next prime is 1214243441. The reversal of 1214243433 is 3343424121.

It is not a de Polignac number, because 1214243433 - 2²¹ = 1212146281 is a prime.

It is a super-2 number, since 2×1214243433² = 2948774229167250978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1214243397 and 1214243406.

It is not an unprimeable number, because it can be changed into a prime (1214243033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44916 + ... + 66677.

It is an arithmetic number, because the mean of its divisors is an integer number (62492640).

Almost surely, 2^1214243433 is an apocalyptic number.

1214243433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1214243433 is a deficient number, since it is larger than the sum of its proper divisors (785521047).

1214243433 is a wasteful number, since it uses less digits than its factorization.

1214243433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111646 (or 111640 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1214243433 is about 34845.9959392754. The cubic root of 1214243433 is about 1066.8464615653.

Adding to 1214243433 its reverse (3343424121), we get a palindrome (4557667554).

The spelling of 1214243433 in words is "one billion, two hundred fourteen million, two hundred forty-three thousand, four hundred thirty-three".