1214552113 has 4 divisors (see below), whose sum is σ = 1214630640. Its totient is φ = 1214473588.

The previous prime is 1214552093. The next prime is 1214552153. The reversal of 1214552113 is 3112554121.

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 not a de Polignac number, because 1214552113 - 2¹³ = 1214543921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214552153) 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, 7495 + ... + 49852.

It is an arithmetic number, because the mean of its divisors is an integer number (303657660).

Almost surely, 2^1214552113 is an apocalyptic number.

It is an amenable number.

1214552113 is a deficient number, since it is larger than the sum of its proper divisors (78527).

1214552113 is an equidigital number, since it uses as much as digits as its factorization.

1214552113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78526.

The product of its digits is 1200, while the sum is 25.

The square root of 1214552113 is about 34850.4248611118. The cubic root of 1214552113 is about 1066.9368570207.

The spelling of 1214552113 in words is "one billion, two hundred fourteen million, five hundred fifty-two thousand, one hundred thirteen".