117028258 has 20 divisors (see below), whose sum is σ = 185707350. Its totient is φ = 55310976.

The previous prime is 117028243. The next prime is 117028259. The reversal of 117028258 is 852820711.

It can be written as a sum of positive squares in only one way, i.e., 95004009 + 22024249 = 9747^2 + 4693^2 .

It is a super-4 number, since 4×117028258⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (117028259) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 260418 + ... + 260866.

Almost surely, 2^117028258 is an apocalyptic number.

117028258 is a deficient number, since it is larger than the sum of its proper divisors (68679092).

117028258 is an frugal number, since it uses more digits than its factorization.

117028258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 117028258 is about 10817.9599740432. The cubic root of 117028258 is about 489.1366972995.

Adding to 117028258 its reverse (852820711), we get a palindrome (969848969).

The spelling of 117028258 in words is "one hundred seventeen million, twenty-eight thousand, two hundred fifty-eight".