117121473 has 12 divisors (see below), whose sum is σ = 193343488. Its totient is φ = 66926520.

The previous prime is 117121469. The next prime is 117121493. The reversal of 117121473 is 374121711.

117121473 is a `hidden beast` number, since 1 + 171 + 21 + 473 = 666.

It is not a de Polignac number, because 117121473 - 2² = 117121469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117121493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 929473 + ... + 929598.

Almost surely, 2^117121473 is an apocalyptic number.

It is an amenable number.

117121473 is a deficient number, since it is larger than the sum of its proper divisors (76222015).

117121473 is a wasteful number, since it uses less digits than its factorization.

117121473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859084 (or 1859081 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 117121473 is about 10822.2674611192. The cubic root of 117121473 is about 489.2665314030.

The spelling of 117121473 in words is "one hundred seventeen million, one hundred twenty-one thousand, four hundred seventy-three".