1078660453 has 6 divisors (see below), whose sum is σ = 1161761874. Its totient is φ = 995577264.

The previous prime is 1078660411. The next prime is 1078660459. The reversal of 1078660453 is 3540668701.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 63728289 + 1014932164 = 7983^2 + 31858^2 .

It is not a de Polignac number, because 1078660453 - 2⁹ = 1078659941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078660459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113863 + ... + 122971.

It is an arithmetic number, because the mean of its divisors is an integer number (193626979).

Almost surely, 2^1078660453 is an apocalyptic number.

1078660453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1078660453 is a deficient number, since it is larger than the sum of its proper divisors (83101421).

1078660453 is an frugal number, since it uses more digits than its factorization.

1078660453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231 (or 9122 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1078660453 is about 32842.9665682015. The cubic root of 1078660453 is about 1025.5612085937.

The spelling of 1078660453 in words is "one billion, seventy-eight million, six hundred sixty thousand, four hundred fifty-three".