1044542121 has 8 divisors (see below), whose sum is σ = 1591683264. Its totient is φ = 596881200.

The previous prime is 1044542069. The next prime is 1044542123. The reversal of 1044542121 is 1212454401.

1044542121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1044542121 - 2⁹ = 1044541609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1044542091 and 1044542100.

It is not an unprimeable number, because it can be changed into a prime (1044542123) 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, 24870030 + ... + 24870071.

It is an arithmetic number, because the mean of its divisors is an integer number (198960408).

Almost surely, 2^1044542121 is an apocalyptic number.

It is an amenable number.

1044542121 is a deficient number, since it is larger than the sum of its proper divisors (547141143).

1044542121 is an equidigital number, since it uses as much as digits as its factorization.

1044542121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49740111.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1044542121 is about 32319.3768658989. The cubic root of 1044542121 is about 1014.6322273267.

Adding to 1044542121 its reverse (1212454401), we get a palindrome (2256996522).

The spelling of 1044542121 in words is "one billion, forty-four million, five hundred forty-two thousand, one hundred twenty-one".