1080846421 has 2 divisors, whose sum is σ = 1080846422. Its totient is φ = 1080846420.

The previous prime is 1080846401. The next prime is 1080846433. The reversal of 1080846421 is 1246480801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592922500 + 487923921 = 24350^2 + 22089^2 .

It is an emirp because it is prime and its reverse (1246480801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1080846421 - 2¹³ = 1080838229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1080846401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540423210 + 540423211.

It is an arithmetic number, because the mean of its divisors is an integer number (540423211).

Almost surely, 2^1080846421 is an apocalyptic number.

It is an amenable number.

1080846421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080846421 is an equidigital number, since it uses as much as digits as its factorization.

1080846421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 1080846421 is about 32876.2288135364. The cubic root of 1080846421 is about 1026.2535275626.

The spelling of 1080846421 in words is "one billion, eighty million, eight hundred forty-six thousand, four hundred twenty-one".