1082821263 has 8 divisors (see below), whose sum is σ = 1443916848. Its totient is φ = 721803264.

The previous prime is 1082821253. The next prime is 1082821283. The reversal of 1082821263 is 3621282801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1082821263 - 2⁴ = 1082821247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082821253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34831 + ... + 58127.

It is an arithmetic number, because the mean of its divisors is an integer number (180489606).

Almost surely, 2^1082821263 is an apocalyptic number.

1082821263 is a deficient number, since it is larger than the sum of its proper divisors (361095585).

1082821263 is a wasteful number, since it uses less digits than its factorization.

1082821263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38793.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1082821263 is about 32906.2496039886. The cubic root of 1082821263 is about 1026.8781785901.

The spelling of 1082821263 in words is "one billion, eighty-two million, eight hundred twenty-one thousand, two hundred sixty-three".