1214202133 has 4 divisors (see below), whose sum is σ = 1234107148. Its totient is φ = 1194297120.

The previous prime is 1214202127. The next prime is 1214202139. The reversal of 1214202133 is 3312024121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1214202127) and next prime (1214202139).

It can be written as a sum of positive squares in 2 ways, for example, as 45724644 + 1168477489 = 6762^2 + 34183^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214202133 - 2²⁵ = 1180647701 is a prime.

It is a super-4 number, since 4×1214202133⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214202133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214202139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9952416 + ... + 9952537.

It is an arithmetic number, because the mean of its divisors is an integer number (308526787).

Almost surely, 2^1214202133 is an apocalyptic number.

It is an amenable number.

1214202133 is a deficient number, since it is larger than the sum of its proper divisors (19905015).

1214202133 is an equidigital number, since it uses as much as digits as its factorization.

1214202133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19905014.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1214202133 is about 34845.4033266943. The cubic root of 1214202133 is about 1066.8343658967.

Adding to 1214202133 its reverse (3312024121), we get a palindrome (4526226254).

The spelling of 1214202133 in words is "one billion, two hundred fourteen million, two hundred two thousand, one hundred thirty-three".