1125050542123 has 2 divisors, whose sum is σ = 1125050542124. Its totient is φ = 1125050542122.

The previous prime is 1125050542111. The next prime is 1125050542181. The reversal of 1125050542123 is 3212450505211.

It is a weak prime.

It is an emirp because it is prime and its reverse (3212450505211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125050542123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1125050542523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562525271061 + 562525271062.

It is an arithmetic number, because the mean of its divisors is an integer number (562525271062).

Almost surely, 2^{1125050542123} is an apocalyptic number.

1125050542123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125050542123 is an equidigital number, since it uses as much as digits as its factorization.

1125050542123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 1125050542123 in words is "one trillion, one hundred twenty-five billion, fifty million, five hundred forty-two thousand, one hundred twenty-three".