1082365921 has 32 divisors (see below), whose sum is σ = 1381872128. Its totient is φ = 824878080.

The previous prime is 1082365919. The next prime is 1082365931. The reversal of 1082365921 is 1295632801.

It is not a de Polignac number, because 1082365921 - 2¹ = 1082365919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (1082365931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345241 + ... + 348361.

It is an arithmetic number, because the mean of its divisors is an integer number (43183504).

Almost surely, 2^1082365921 is an apocalyptic number.

It is an amenable number.

1082365921 is a deficient number, since it is larger than the sum of its proper divisors (299506207).

1082365921 is a wasteful number, since it uses less digits than its factorization.

1082365921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1082365921 is about 32899.3300995628. The cubic root of 1082365921 is about 1026.7342193679.

The spelling of 1082365921 in words is "one billion, eighty-two million, three hundred sixty-five thousand, nine hundred twenty-one".