1117290123 has 6 divisors (see below), whose sum is σ = 1613863524. Its totient is φ = 744860076.

The previous prime is 1117290103. The next prime is 1117290197. The reversal of 1117290123 is 3210927111.

It is not a de Polignac number, because 1117290123 - 2⁹ = 1117289611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1117290103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62071665 + ... + 62071682.

It is an arithmetic number, because the mean of its divisors is an integer number (268977254).

Almost surely, 2^1117290123 is an apocalyptic number.

1117290123 is a deficient number, since it is larger than the sum of its proper divisors (496573401).

1117290123 is a wasteful number, since it uses less digits than its factorization.

1117290123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124143353 (or 124143350 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1117290123 is about 33425.8900105891. The cubic root of 1117290123 is about 1037.6605832243.

The spelling of 1117290123 in words is "one billion, one hundred seventeen million, two hundred ninety thousand, one hundred twenty-three".