117124477 has 2 divisors, whose sum is σ = 117124478. Its totient is φ = 117124476.

The previous prime is 117124471. The next prime is 117124519. The reversal of 117124477 is 774421711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59151481 + 57972996 = 7691^2 + 7614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117124477 is a prime.

It is a super-2 number, since 2×117124477² = 27436286225047058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117124471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58562238 + 58562239.

It is an arithmetic number, because the mean of its divisors is an integer number (58562239).

Almost surely, 2^117124477 is an apocalyptic number.

It is an amenable number.

117124477 is a deficient number, since it is larger than the sum of its proper divisors (1).

117124477 is an equidigital number, since it uses as much as digits as its factorization.

117124477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10976, while the sum is 34.

The square root of 117124477 is about 10822.4062481502. The cubic root of 117124477 is about 489.2707143653.

The spelling of 117124477 in words is "one hundred seventeen million, one hundred twenty-four thousand, four hundred seventy-seven".