1123125732356 has 12 divisors (see below), whose sum is σ = 1984930131660. Its totient is φ = 556002837600.

The previous prime is 1123125732347. The next prime is 1123125732359. The reversal of 1123125732356 is 6532375213211.

It can be written as a sum of positive squares in 2 ways, for example, as 1071191880256 + 51933852100 = 1034984^2 + 227890^2 .

It is a super-2 number, since 2×1123125732356² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123125732359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390006691 + ... + 1390007498.

It is an arithmetic number, because the mean of its divisors is an integer number (165410844305).

Almost surely, 2^{1123125732356} is an apocalyptic number.

It is an amenable number.

1123125732356 is a deficient number, since it is larger than the sum of its proper divisors (861804399304).

1123125732356 is a wasteful number, since it uses less digits than its factorization.

1123125732356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780014294 (or 2780014292 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The spelling of 1123125732356 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-five million, seven hundred thirty-two thousand, three hundred fifty-six".