1214443555 has 8 divisors (see below), whose sum is σ = 1569434832. Its totient is φ = 896819808.

The previous prime is 1214443553. The next prime is 1214443591. The reversal of 1214443555 is 5553444121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214443555 - 2¹ = 1214443553 is a prime.

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 1214443555.

It is not an unprimeable number, because it can be changed into a prime (1214443553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9341809 + ... + 9341938.

It is an arithmetic number, because the mean of its divisors is an integer number (196179354).

Almost surely, 2^1214443555 is an apocalyptic number.

1214443555 is a deficient number, since it is larger than the sum of its proper divisors (354991277).

1214443555 is a wasteful number, since it uses less digits than its factorization.

1214443555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18683765.

The product of its digits is 48000, while the sum is 34.

The square root of 1214443555 is about 34848.8673417085. The cubic root of 1214443555 is about 1066.9050680780.

Adding to 1214443555 its reverse (5553444121), we get a palindrome (6767887676).

The spelling of 1214443555 in words is "one billion, two hundred fourteen million, four hundred forty-three thousand, five hundred fifty-five".