1045143121 has 8 divisors (see below), whose sum is σ = 1150617600. Its totient is φ = 941412240.

The previous prime is 1045143101. The next prime is 1045143133. The reversal of 1045143121 is 1213415401.

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-1045143121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1045143092 and 1045143101.

It is not an unprimeable number, because it can be changed into a prime (1045143101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434641 + ... + 437038.

It is an arithmetic number, because the mean of its divisors is an integer number (143827200).

Almost surely, 2^1045143121 is an apocalyptic number.

1045143121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1045143121 is a deficient number, since it is larger than the sum of its proper divisors (105474479).

1045143121 is a wasteful number, since it uses less digits than its factorization.

1045143121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871799.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1045143121 is about 32328.6733566350. The cubic root of 1045143121 is about 1014.8267869144.

Adding to 1045143121 its reverse (1213415401), we get a palindrome (2258558522).

The spelling of 1045143121 in words is "one billion, forty-five million, one hundred forty-three thousand, one hundred twenty-one".