1052887140 has 48 divisors (see below), whose sum is σ = 3275650560. Its totient is φ = 280769760.

The previous prime is 1052887139. The next prime is 1052887151. The reversal of 1052887140 is 417882501.

1052887140 is a `hidden beast` number, since 10 + 528 + 87 + 1 + 40 = 666.

It is a super-2 number, since 2×1052887140² = 2217142659154759200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1052887095 and 1052887104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974356 + ... + 975435.

It is an arithmetic number, because the mean of its divisors is an integer number (68242720).

Almost surely, 2^1052887140 is an apocalyptic number.

1052887140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052887140 is an abundant number, since it is smaller than the sum of its proper divisors (2222763420).

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

1052887140 is a wasteful number, since it uses less digits than its factorization.

1052887140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949809 (or 1949801 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1052887140 is about 32448.2224474624. Note that the first 3 decimals coincide. The cubic root of 1052887140 is about 1017.3270847753.

The spelling of 1052887140 in words is "one billion, fifty-two million, eight hundred eighty-seven thousand, one hundred forty".