1045213200 has 120 divisors (see below), whose sum is σ = 3720223200. Its totient is φ = 278720640.

The previous prime is 1045213189. The next prime is 1045213201. The reversal of 1045213200 is 23125401.

1045213200 is a `hidden beast` number, since 1 + 0 + 452 + 13 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1045213201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37590 + ... + 59189.

It is an arithmetic number, because the mean of its divisors is an integer number (31001860).

Almost surely, 2^1045213200 is an apocalyptic number.

1045213200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045213200 is an abundant number, since it is smaller than the sum of its proper divisors (2675010000).

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

1045213200 is a wasteful number, since it uses less digits than its factorization.

1045213200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96806 (or 96789 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1045213200 is about 32329.7571905512. The cubic root of 1045213200 is about 1014.8494684833.

Adding to 1045213200 its reverse (23125401), we get a palindrome (1068338601).

The spelling of 1045213200 in words is "one billion, forty-five million, two hundred thirteen thousand, two hundred".