1051849728 has 132 divisors (see below), whose sum is σ = 3197577760. Its totient is φ = 332107776.

The previous prime is 1051849717. The next prime is 1051849751. The reversal of 1051849728 is 8279481501.

It is a super-2 number, since 2×1051849728² = 2212775700587347968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172101 + ... + 178107.

Almost surely, 2^1051849728 is an apocalyptic number.

1051849728 is a gapful number since it is divisible by the number (18) 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 1051849728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598788880).

1051849728 is an abundant number, since it is smaller than the sum of its proper divisors (2145728032).

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

1051849728 is a wasteful number, since it uses less digits than its factorization.

1051849728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052 (or 6031 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The square root of 1051849728 is about 32432.2328556022. The cubic root of 1051849728 is about 1016.9928501106.

The spelling of 1051849728 in words is "one billion, fifty-one million, eight hundred forty-nine thousand, seven hundred twenty-eight".