1051500900 has 72 divisors (see below), whose sum is σ = 3072553344. Its totient is φ = 277616000.

The previous prime is 1051500899. The next prime is 1051500911. The reversal of 1051500900 is 90051501.

It is a happy number.

1051500900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1051500900² = 2211308285401620000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12949 + ... + 47651.

It is an arithmetic number, because the mean of its divisors is an integer number (42674352).

Almost surely, 2^1051500900 is an apocalyptic number.

1051500900 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 1051500900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536276672).

1051500900 is an abundant number, since it is smaller than the sum of its proper divisors (2021052444).

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

1051500900 is a wasteful number, since it uses less digits than its factorization.

1051500900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34821 (or 34814 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 1051500900 is about 32426.8546115716. The cubic root of 1051500900 is about 1016.8804149100.

The spelling of 1051500900 in words is "one billion, fifty-one million, five hundred thousand, nine hundred".