1154221414 has 8 divisors (see below), whose sum is σ = 1734077808. Its totient is φ = 576195480.

The previous prime is 1154221403. The next prime is 1154221423. The reversal of 1154221414 is 4141224511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456037 + ... + 458560.

It is an arithmetic number, because the mean of its divisors is an integer number (216759726).

Almost surely, 2^1154221414 is an apocalyptic number.

1154221414 is a deficient number, since it is larger than the sum of its proper divisors (579856394).

1154221414 is an equidigital number, since it uses as much as digits as its factorization.

1154221414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915230.

The product of its digits is 1280, while the sum is 25.

The square root of 1154221414 is about 33973.8342552029. The cubic root of 1154221414 is about 1048.9699388848.

Adding to 1154221414 its reverse (4141224511), we get a palindrome (5295445925).

The spelling of 1154221414 in words is "one billion, one hundred fifty-four million, two hundred twenty-one thousand, four hundred fourteen".