1051521200 has 60 divisors (see below), whose sum is σ = 2560957368. Its totient is φ = 414835200.

The previous prime is 1051521173. The next prime is 1051521203. The reversal of 1051521200 is 21251501.

It is a super-2 number, since 2×1051521200² = 2211393668098880000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051521203) 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, 11195 + ... + 47205.

Almost surely, 2^1051521200 is an apocalyptic number.

1051521200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051521200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280478684).

1051521200 is an abundant number, since it is smaller than the sum of its proper divisors (1509436168).

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

1051521200 is a wasteful number, since it uses less digits than its factorization.

1051521200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36102 (or 36091 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1051521200 is about 32427.1676222269. The cubic root of 1051521200 is about 1016.8869587432.

Adding to 1051521200 its reverse (21251501), we get a palindrome (1072772701).

The spelling of 1051521200 in words is "one billion, fifty-one million, five hundred twenty-one thousand, two hundred".