1045030421 has 8 divisors (see below), whose sum is σ = 1052588064. Its totient is φ = 1037500560.

The previous prime is 1045030417. The next prime is 1045030447. The reversal of 1045030421 is 1240305401.

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 1045030421 - 2² = 1045030417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1045030393 and 1045030402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045030451) 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, 71726 + ... + 85056.

It is an arithmetic number, because the mean of its divisors is an integer number (131573508).

Almost surely, 2^1045030421 is an apocalyptic number.

It is an amenable number.

1045030421 is a deficient number, since it is larger than the sum of its proper divisors (7557643).

1045030421 is a wasteful number, since it uses less digits than its factorization.

1045030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13891.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1045030421 is about 32326.9302749271. The cubic root of 1045030421 is about 1014.7903086281.

Adding to 1045030421 its reverse (1240305401), we get a palindrome (2285335822).

The spelling of 1045030421 in words is "one billion, forty-five million, thirty thousand, four hundred twenty-one".