117219143 has 2 divisors, whose sum is σ = 117219144. Its totient is φ = 117219142.

The previous prime is 117219139. The next prime is 117219149. The reversal of 117219143 is 341912711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117219143 - 2² = 117219139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117219149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58609571 + 58609572.

It is an arithmetic number, because the mean of its divisors is an integer number (58609572).

Almost surely, 2^117219143 is an apocalyptic number.

117219143 is a deficient number, since it is larger than the sum of its proper divisors (1).

117219143 is an equidigital number, since it uses as much as digits as its factorization.

117219143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 29.

The square root of 117219143 is about 10826.7789762237. The cubic root of 117219143 is about 489.4024967492.

The spelling of 117219143 in words is "one hundred seventeen million, two hundred nineteen thousand, one hundred forty-three".