1080642403 has 2 divisors, whose sum is σ = 1080642404. Its totient is φ = 1080642402.

The previous prime is 1080642401. The next prime is 1080642427. The reversal of 1080642403 is 3042460801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1080642403 - 2¹ = 1080642401 is a prime.

It is a super-2 number, since 2×1080642403² = 2335576006323228818, which contains 22 as substring.

Together with 1080642401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1080642401) 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 as a sum of consecutive naturals, namely, 540321201 + 540321202.

It is an arithmetic number, because the mean of its divisors is an integer number (540321202).

Almost surely, 2^1080642403 is an apocalyptic number.

1080642403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080642403 is an equidigital number, since it uses as much as digits as its factorization.

1080642403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1080642403 is about 32873.1258477194. The cubic root of 1080642403 is about 1026.1889524410.

The spelling of 1080642403 in words is "one billion, eighty million, six hundred forty-two thousand, four hundred three".