1033130421 has 12 divisors (see below), whose sum is σ = 1492753548. Its totient is φ = 688544064.

The previous prime is 1033130407. The next prime is 1033130447. The reversal of 1033130421 is 1240313301.

1033130421 is a `hidden beast` number, since 10 + 331 + 304 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 310112100 + 723018321 = 17610^2 + 26889^2 .

It is not a de Polignac number, because 1033130421 - 2¹³ = 1033122229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1033130394 and 1033130403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033130401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17431 + ... + 48683.

It is an arithmetic number, because the mean of its divisors is an integer number (124396129).

Almost surely, 2^1033130421 is an apocalyptic number.

It is an amenable number.

1033130421 is a deficient number, since it is larger than the sum of its proper divisors (459623127).

1033130421 is a wasteful number, since it uses less digits than its factorization.

1033130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34932 (or 34929 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1033130421 is about 32142.3462273680. The cubic root of 1033130421 is about 1010.9237116899.

Adding to 1033130421 its reverse (1240313301), we get a palindrome (2273443722).

The spelling of 1033130421 in words is "one billion, thirty-three million, one hundred thirty thousand, four hundred twenty-one".