1068121500 has 96 divisors (see below), whose sum is σ = 3121075776. Its totient is φ = 283852800.

The previous prime is 1068121493. The next prime is 1068121517. The reversal of 1068121500 is 51218601.

It is a super-2 number, since 2×1068121500² = 2281767077524500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504444 + ... + 506556.

It is an arithmetic number, because the mean of its divisors is an integer number (32511206).

Almost surely, 2^1068121500 is an apocalyptic number.

1068121500 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 1068121500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560537888).

1068121500 is an abundant number, since it is smaller than the sum of its proper divisors (2052954276).

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

1068121500 is a wasteful number, since it uses less digits than its factorization.

1068121500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2460 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1068121500 is about 32682.1281436812. The cubic root of 1068121500 is about 1022.2102207073.

The spelling of 1068121500 in words is "one billion, sixty-eight million, one hundred twenty-one thousand, five hundred".