117255421 has 8 divisors (see below), whose sum is σ = 118239264. Its totient is φ = 116275440.

The previous prime is 117255379. The next prime is 117255431. The reversal of 117255421 is 124552711.

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 117255421 - 2¹¹ = 117253373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117255421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117255431) 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, 98190 + ... + 99376.

It is an arithmetic number, because the mean of its divisors is an integer number (14779908).

Almost surely, 2^117255421 is an apocalyptic number.

It is an amenable number.

117255421 is a deficient number, since it is larger than the sum of its proper divisors (983843).

117255421 is a wasteful number, since it uses less digits than its factorization.

117255421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931.

The product of its digits is 2800, while the sum is 28.

The square root of 117255421 is about 10828.4542294826. The cubic root of 117255421 is about 489.4529797221.

The spelling of 117255421 in words is "one hundred seventeen million, two hundred fifty-five thousand, four hundred twenty-one".