1051200816 has 40 divisors (see below), whose sum is σ = 2809247280. Its totient is φ = 338317056.

The previous prime is 1051200767. The next prime is 1051200823. The reversal of 1051200816 is 6180021501.

It is a super-2 number, since 2×1051200816² = 2210046311118131712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 376195 + ... + 378978.

It is an arithmetic number, because the mean of its divisors is an integer number (70231182).

Almost surely, 2^1051200816 is an apocalyptic number.

1051200816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1051200816 is an abundant number, since it is smaller than the sum of its proper divisors (1758046464).

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

1051200816 is a wasteful number, since it uses less digits than its factorization.

1051200816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755213 (or 755207 counting only the distinct ones).

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

The square root of 1051200816 is about 32422.2271906172. The cubic root of 1051200816 is about 1016.7836711109.

The spelling of 1051200816 in words is "one billion, fifty-one million, two hundred thousand, eight hundred sixteen".