1080546421 has 4 divisors (see below), whose sum is σ = 1080874144. Its totient is φ = 1080218700.

The previous prime is 1080546391. The next prime is 1080546461. The reversal of 1080546421 is 1246450801.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1246450801 = 2243 ⋅555707.

It is a cyclic number.

It is not a de Polignac number, because 1080546421 - 2⁹ = 1080545909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080546461) 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, 158865 + ... + 165526.

It is an arithmetic number, because the mean of its divisors is an integer number (270218536).

Almost surely, 2^1080546421 is an apocalyptic number.

It is an amenable number.

1080546421 is a deficient number, since it is larger than the sum of its proper divisors (327723).

1080546421 is an equidigital number, since it uses as much as digits as its factorization.

1080546421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327722.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1080546421 is about 32871.6659297943. The cubic root of 1080546421 is about 1026.1585697156.

The spelling of 1080546421 in words is "one billion, eighty million, five hundred forty-six thousand, four hundred twenty-one".