1030404521 has 8 divisors (see below), whose sum is σ = 1041715584. Its totient is φ = 1019152800.

The previous prime is 1030404517. The next prime is 1030404533. The reversal of 1030404521 is 1254040301.

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 1030404521 - 2² = 1030404517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030404493 and 1030404502.

It is not an unprimeable number, because it can be changed into a prime (1030404511) 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, 20540 + ... + 49826.

It is an arithmetic number, because the mean of its divisors is an integer number (130214448).

Almost surely, 2^1030404521 is an apocalyptic number.

It is an amenable number.

1030404521 is a deficient number, since it is larger than the sum of its proper divisors (11311063).

1030404521 is a wasteful number, since it uses less digits than its factorization.

1030404521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29671.

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

The square root of 1030404521 is about 32099.9146572074. The cubic root of 1030404521 is about 1010.0338259429.

Adding to 1030404521 its reverse (1254040301), we get a palindrome (2284444822).

The spelling of 1030404521 in words is "one billion, thirty million, four hundred four thousand, five hundred twenty-one".