1054625813123 has 4 divisors (see below), whose sum is σ = 1067975507040. Its totient is φ = 1041276119208.

The previous prime is 1054625813113. The next prime is 1054625813149. The reversal of 1054625813123 is 3213185264501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1054625813123 - 2²⁶ = 1054558704259 is a prime.

It is a super-2 number, since 2×1054625813123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1054625813113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6674846840 + ... + 6674846997.

It is an arithmetic number, because the mean of its divisors is an integer number (266993876760).

Almost surely, 2^{1054625813123} is an apocalyptic number.

1054625813123 is a deficient number, since it is larger than the sum of its proper divisors (13349693917).

1054625813123 is an equidigital number, since it uses as much as digits as its factorization.

1054625813123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13349693916.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 1054625813123 in words is "one trillion, fifty-four billion, six hundred twenty-five million, eight hundred thirteen thousand, one hundred twenty-three".