1214402053 has 4 divisors (see below), whose sum is σ = 1214477280. Its totient is φ = 1214326828.

The previous prime is 1214402039. The next prime is 1214402069. The reversal of 1214402053 is 3502044121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214402053 is a prime.

It is a super-2 number, since 2×1214402053² = 2949544692661229618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214202053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2425 + ... + 49342.

It is an arithmetic number, because the mean of its divisors is an integer number (303619320).

Almost surely, 2^1214402053 is an apocalyptic number.

It is an amenable number.

1214402053 is a deficient number, since it is larger than the sum of its proper divisors (75227).

1214402053 is an equidigital number, since it uses as much as digits as its factorization.

1214402053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75226.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1214402053 is about 34848.2718796786. The cubic root of 1214402053 is about 1066.8929145837.

Adding to 1214402053 its reverse (3502044121), we get a palindrome (4716446174).

The spelling of 1214402053 in words is "one billion, two hundred fourteen million, four hundred two thousand, fifty-three".