1051066500 has 144 divisors (see below), whose sum is σ = 3364827648. Its totient is φ = 254760000.

The previous prime is 1051066477. The next prime is 1051066507. The reversal of 1051066500 is 56601501.

It is a super-2 number, since 2×1051066500² = 2209481574844500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051066507) 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 47 ways as a sum of consecutive naturals, for example, 178605 + ... + 184395.

Almost surely, 2^1051066500 is an apocalyptic number.

1051066500 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 1051066500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682413824).

1051066500 is an abundant number, since it is smaller than the sum of its proper divisors (2313761148).

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

1051066500 is a wasteful number, since it uses less digits than its factorization.

1051066500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835 (or 5812 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1051066500 is about 32420.1557676702. The cubic root of 1051066500 is about 1016.7403631369.

The spelling of 1051066500 in words is "one billion, fifty-one million, sixty-six thousand, five hundred".