994281120 has 144 divisors (see below), whose sum is σ = 3877735680. Its totient is φ = 227261952.

The previous prime is 994281059. The next prime is 994281179. The reversal of 994281120 is 21182499.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39240 + ... + 59399.

It is an arithmetic number, because the mean of its divisors is an integer number (26928720).

Almost surely, 2^994281120 is an apocalyptic number.

994281120 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

994281120 is an abundant number, since it is smaller than the sum of its proper divisors (2883454560).

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

994281120 is a wasteful number, since it uses less digits than its factorization.

994281120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98667 (or 98656 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 994281120 is about 31532.2235181726. The cubic root of 994281120 is about 998.0900611226.

The spelling of 994281120 in words is "nine hundred ninety-four million, two hundred eighty-one thousand, one hundred twenty".