1051213200 has 60 divisors (see below), whose sum is σ = 3367390128. Its totient is φ = 280323200.

The previous prime is 1051213187. The next prime is 1051213201. The reversal of 1051213200 is 23121501.

1051213200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×1051213200² = 2210098383708480000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1051213200.

It is not an unprimeable number, because it can be changed into a prime (1051213201) 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, 436806 + ... + 439205.

Almost surely, 2^1051213200 is an apocalyptic number.

1051213200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1051213200 is an abundant number, since it is smaller than the sum of its proper divisors (2316176928).

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

1051213200 is a wasteful number, since it uses less digits than its factorization.

1051213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876032 (or 876021 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1051213200 is about 32422.4181701489. The cubic root of 1051213200 is about 1016.7876639412.

Adding to 1051213200 its reverse (23121501), we get a palindrome (1074334701).

The spelling of 1051213200 in words is "one billion, fifty-one million, two hundred thirteen thousand, two hundred".