1000050900 has 72 divisors (see below), whose sum is σ = 2904022464. Its totient is φ = 265708800.

The previous prime is 1000050889. The next prime is 1000050901. The reversal of 1000050900 is 90500001.

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 1000050900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000050901) 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, 78369 + ... + 90231.

Almost surely, 2^1000050900 is an apocalyptic number.

1000050900 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 1000050900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452011232).

1000050900 is an abundant number, since it is smaller than the sum of its proper divisors (1903971564).

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

1000050900 is a wasteful number, since it uses less digits than its factorization.

1000050900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12161 (or 12154 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 1000050900 is about 31623.5813911075. The cubic root of 1000050900 is about 1000.0169663788.

Adding to 1000050900 its reverse (90500001), we get a palindrome (1090550901).

The spelling of 1000050900 in words is "one billion, fifty thousand, nine hundred".