1025051200 has 168 divisors, whose sum is σ = 2644152192. Its totient is φ = 390727680.

The previous prime is 1025051173. The next prime is 1025051201. The reversal of 1025051200 is 21505201.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1025051201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3233442 + ... + 3233758.

Almost surely, 2^1025051200 is an apocalyptic number.

1025051200 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 1025051200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322076096).

1025051200 is an abundant number, since it is smaller than the sum of its proper divisors (1619100992).

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

1025051200 is a wasteful number, since it uses less digits than its factorization.

1025051200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 1025051200 is about 32016.4207868400. The cubic root of 1025051200 is about 1008.2816253489.

Adding to 1025051200 its reverse (21505201), we get a palindrome (1046556401).

The spelling of 1025051200 in words is "one billion, twenty-five million, fifty-one thousand, two hundred".