1125417123 has 24 divisors (see below), whose sum is σ = 1727122800. Its totient is φ = 704821824.

The previous prime is 1125417109. The next prime is 1125417131. The reversal of 1125417123 is 3217145211.

1125417123 is a `hidden beast` number, since 1 + 125 + 417 + 123 = 666.

It is not a de Polignac number, because 1125417123 - 2¹⁷ = 1125286051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125417103) 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, 48613 + ... + 67926.

It is an arithmetic number, because the mean of its divisors is an integer number (71963450).

Almost surely, 2^1125417123 is an apocalyptic number.

1125417123 is a deficient number, since it is larger than the sum of its proper divisors (601705677).

1125417123 is a wasteful number, since it uses less digits than its factorization.

1125417123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116611 (or 116608 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1125417123 is about 33547.2371887761. The cubic root of 1125417123 is about 1040.1704365025.

The spelling of 1125417123 in words is "one billion, one hundred twenty-five million, four hundred seventeen thousand, one hundred twenty-three".