1121454145 has 8 divisors (see below), whose sum is σ = 1537994304. Its totient is φ = 768997104.

The previous prime is 1121454137. The next prime is 1121454161. The reversal of 1121454145 is 5414541211.

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 1121454145 - 2³ = 1121454137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16020739 + ... + 16020808.

It is an arithmetic number, because the mean of its divisors is an integer number (192249288).

Almost surely, 2^1121454145 is an apocalyptic number.

It is an amenable number.

1121454145 is a deficient number, since it is larger than the sum of its proper divisors (416540159).

1121454145 is an equidigital number, since it uses as much as digits as its factorization.

1121454145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32041559.

The product of its digits is 3200, while the sum is 28.

The square root of 1121454145 is about 33488.1194604893. The cubic root of 1121454145 is about 1038.9480688176.

Adding to 1121454145 its reverse (5414541211), we get a palindrome (6535995356).

The spelling of 1121454145 in words is "one billion, one hundred twenty-one million, four hundred fifty-four thousand, one hundred forty-five".