1051876728 has 192 divisors, whose sum is σ = 3354624000. Its totient is φ = 297622080.

The previous prime is 1051876699. The next prime is 1051876747. The reversal of 1051876728 is 8276781501.

It is a happy number.

It is a super-2 number, since 2×1051876728² = 2212889301815971968, 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 47 ways as a sum of consecutive naturals, for example, 4716825 + ... + 4717047.

It is an arithmetic number, because the mean of its divisors is an integer number (17472000).

Almost surely, 2^1051876728 is an apocalyptic number.

1051876728 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 1051876728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677312000).

1051876728 is an abundant number, since it is smaller than the sum of its proper divisors (2302747272).

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

1051876728 is a wasteful number, since it uses less digits than its factorization.

1051876728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The square root of 1051876728 is about 32432.6491054924. The cubic root of 1051876728 is about 1017.0015517883.

The spelling of 1051876728 in words is "one billion, fifty-one million, eight hundred seventy-six thousand, seven hundred twenty-eight".