1123125560457 has 24 divisors (see below), whose sum is σ = 1581449496480. Its totient is φ = 708900500160.

The previous prime is 1123125560423. The next prime is 1123125560467. The reversal of 1123125560457 is 7540655213211.

It is not a de Polignac number, because 1123125560457 - 2¹⁶ = 1123125494921 is a prime.

It is a super-2 number, since 2×1123125560457² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123125560467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1420282 + ... + 2064812.

It is an arithmetic number, because the mean of its divisors is an integer number (65893729020).

Almost surely, 2^{1123125560457} is an apocalyptic number.

It is an amenable number.

1123125560457 is a deficient number, since it is larger than the sum of its proper divisors (458323936023).

1123125560457 is a wasteful number, since it uses less digits than its factorization.

1123125560457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646181 (or 646162 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 1123125560457 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-five million, five hundred sixty thousand, four hundred fifty-seven".