1214306553 has 16 divisors (see below), whose sum is σ = 1686686400. Its totient is φ = 776401920.

The previous prime is 1214306521. The next prime is 1214306579. The reversal of 1214306553 is 3556034121.

It is not a de Polignac number, because 1214306553 - 2⁵ = 1214306521 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214306553.

It is not an unprimeable number, because it can be changed into a prime (1214306503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76408 + ... + 90921.

It is an arithmetic number, because the mean of its divisors is an integer number (105417900).

Almost surely, 2^1214306553 is an apocalyptic number.

It is an amenable number.

1214306553 is a deficient number, since it is larger than the sum of its proper divisors (472379847).

1214306553 is a wasteful number, since it uses less digits than its factorization.

1214306553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167432.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1214306553 is about 34846.9016269740. The cubic root of 1214306553 is about 1066.8649472001.

The spelling of 1214306553 in words is "one billion, two hundred fourteen million, three hundred six thousand, five hundred fifty-three".