1214554121 has 8 divisors (see below), whose sum is σ = 1328047488. Its totient is φ = 1101574000.

The previous prime is 1214554097. The next prime is 1214554129.

It is a happy number.

1214554121 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214554121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214554129) 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, 123350 + ... + 132831.

It is an arithmetic number, because the mean of its divisors is an integer number (166005936).

Almost surely, 2^1214554121 is an apocalyptic number.

1214554121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1214554121 is a deficient number, since it is larger than the sum of its proper divisors (113493367).

1214554121 is a wasteful number, since it uses less digits than its factorization.

1214554121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256623.

The product of its digits is 1600, while the sum is 26.

The square root of 1214554121 is about 34850.4536699309. The cubic root of 1214554121 is about 1066.9374450037.

It can be divided in two parts, 12145 and 54121, that added together give a palindrome (66266).

The spelling of 1214554121 in words is "one billion, two hundred fourteen million, five hundred fifty-four thousand, one hundred twenty-one".