117123007 has 4 divisors (see below), whose sum is σ = 118197640. Its totient is φ = 116048376.

The previous prime is 117122987. The next prime is 117123023. The reversal of 117123007 is 700321711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700321711 = 22567 ⋅31033.

It is a de Polignac number, because none of the positive numbers 2^k-117123007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117123037) 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, 537153 + ... + 537370.

It is an arithmetic number, because the mean of its divisors is an integer number (29549410).

Almost surely, 2^117123007 is an apocalyptic number.

117123007 is a deficient number, since it is larger than the sum of its proper divisors (1074633).

117123007 is a wasteful number, since it uses less digits than its factorization.

117123007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074632.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 117123007 is about 10822.3383332808. The cubic root of 117123007 is about 489.2686674519.

Adding to 117123007 its reverse (700321711), we get a palindrome (817444718).

The spelling of 117123007 in words is "one hundred seventeen million, one hundred twenty-three thousand, seven".