117421283 has 8 divisors (see below), whose sum is σ = 134564352. Its totient is φ = 100370376.

The previous prime is 117421277. The next prime is 117421309. The reversal of 117421283 is 382124711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117421283 - 2⁶ = 117421219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117421243) 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 in 7 ways as a sum of consecutive naturals, for example, 20285 + ... + 25422.

It is an arithmetic number, because the mean of its divisors is an integer number (16820544).

Almost surely, 2^117421283 is an apocalyptic number.

117421283 is a deficient number, since it is larger than the sum of its proper divisors (17143069).

117421283 is an equidigital number, since it uses as much as digits as its factorization.

117421283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46081.

The product of its digits is 2688, while the sum is 29.

The square root of 117421283 is about 10836.1101415591. The cubic root of 117421283 is about 489.6836539243.

Adding to 117421283 its reverse (382124711), we get a palindrome (499545994).

The spelling of 117421283 in words is "one hundred seventeen million, four hundred twenty-one thousand, two hundred eighty-three".