118838743 has 2 divisors, whose sum is σ = 118838744. Its totient is φ = 118838742.

The previous prime is 118838729. The next prime is 118838807. The reversal of 118838743 is 347838811.

It is a weak prime.

It is an emirp because it is prime and its reverse (347838811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118838743 - 2²¹ = 116741591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118838743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118838443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59419371 + 59419372.

It is an arithmetic number, because the mean of its divisors is an integer number (59419372).

Almost surely, 2^118838743 is an apocalyptic number.

118838743 is a deficient number, since it is larger than the sum of its proper divisors (1).

118838743 is an equidigital number, since it uses as much as digits as its factorization.

118838743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 43.

The square root of 118838743 is about 10901.3184065048. The cubic root of 118838743 is about 491.6461958855.

The spelling of 118838743 in words is "one hundred eighteen million, eight hundred thirty-eight thousand, seven hundred forty-three".