1082375921 has 4 divisors (see below), whose sum is σ = 1180773744. Its totient is φ = 983978100.

The previous prime is 1082375849. The next prime is 1082375927. The reversal of 1082375921 is 1295732801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1082375921 - 2¹⁰ = 1082374897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082375927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49198895 + ... + 49198916.

It is an arithmetic number, because the mean of its divisors is an integer number (295193436).

Almost surely, 2^1082375921 is an apocalyptic number.

1082375921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1082375921 is a deficient number, since it is larger than the sum of its proper divisors (98397823).

1082375921 is an equidigital number, since it uses as much as digits as its factorization.

1082375921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98397822.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1082375921 is about 32899.4820779902. The cubic root of 1082375921 is about 1026.7373813640.

The spelling of 1082375921 in words is "one billion, eighty-two million, three hundred seventy-five thousand, nine hundred twenty-one".