1051530204 has 12 divisors (see below), whose sum is σ = 2453570504. Its totient is φ = 350510064.

The previous prime is 1051530203. The next prime is 1051530209. The reversal of 1051530204 is 4020351501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1051530204² = 2211431539848563232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051530203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43813747 + ... + 43813770.

Almost surely, 2^1051530204 is an apocalyptic number.

It is an amenable number.

1051530204 is an abundant number, since it is smaller than the sum of its proper divisors (1402040300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051530204 is a wasteful number, since it uses less digits than its factorization.

1051530204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87627524 (or 87627522 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1051530204 is about 32427.3064561335. The cubic root of 1051530204 is about 1016.8898612126.

Adding to 1051530204 its reverse (4020351501), we get a palindrome (5071881705).

The spelling of 1051530204 in words is "one billion, fifty-one million, five hundred thirty thousand, two hundred four".