1125794016 has 72 divisors (see below), whose sum is σ = 3304776384. Its totient is φ = 363156480.

The previous prime is 1125794011. The next prime is 1125794053. The reversal of 1125794016 is 6104975211.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1125794016² = 2534824332922816512, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125794011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54121 + ... + 71976.

It is an arithmetic number, because the mean of its divisors is an integer number (45899672).

Almost surely, 2^1125794016 is an apocalyptic number.

1125794016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1125794016 is an abundant number, since it is smaller than the sum of its proper divisors (2178982368).

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

1125794016 is a wasteful number, since it uses less digits than its factorization.

1125794016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126144 (or 126133 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1125794016 is about 33552.8540663831. The cubic root of 1125794016 is about 1040.2865384034.

The spelling of 1125794016 in words is "one billion, one hundred twenty-five million, seven hundred ninety-four thousand, sixteen".