1001025300 has 72 divisors (see below), whose sum is σ = 3159610272. Its totient is φ = 242672000.

The previous prime is 1001025299. The next prime is 1001025301. The reversal of 1001025300 is 35201001.

It is an interprime number because it is at equal distance from previous prime (1001025299) and next prime (1001025301).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001025301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148371 + ... + 154970.

It is an arithmetic number, because the mean of its divisors is an integer number (43883476).

Almost surely, 2^1001025300 is an apocalyptic number.

1001025300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001025300 is an abundant number, since it is smaller than the sum of its proper divisors (2158584972).

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

1001025300 is a wasteful number, since it uses less digits than its factorization.

1001025300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303369 (or 303362 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 1001025300 is about 31638.9838648462. The cubic root of 1001025300 is about 1000.3416499287.

Adding to 1001025300 its reverse (35201001), we get a palindrome (1036226301).

The spelling of 1001025300 in words is "one billion, one million, twenty-five thousand, three hundred".