1051861882 has 4 divisors (see below), whose sum is σ = 1577792826. Its totient is φ = 525930940.

The previous prime is 1051861873. The next prime is 1051861901. The reversal of 1051861882 is 2881681501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1051640041 + 221841 = 32429^2 + 471^2 .

It is a super-2 number, since 2×1051861882² = 2212826837609163848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262965469 + ... + 262965472.

Almost surely, 2^1051861882 is an apocalyptic number.

1051861882 is a deficient number, since it is larger than the sum of its proper divisors (525930944).

1051861882 is an equidigital number, since it uses as much as digits as its factorization.

1051861882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525930943.

The product of its (nonzero) digits is 30720, while the sum is 40.

The square root of 1051861882 is about 32432.4202303806. The cubic root of 1051861882 is about 1016.9967671731.

The spelling of 1051861882 in words is "one billion, fifty-one million, eight hundred sixty-one thousand, eight hundred eighty-two".