117253439 has 4 divisors (see below), whose sum is σ = 121035840. Its totient is φ = 113471040.

The previous prime is 117253393. The next prime is 117253441. The reversal of 117253439 is 934352711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934352711 = 29 ⋅32219059.

It is a cyclic number.

It is not a de Polignac number, because 117253439 - 2⁸ = 117253183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117253399 and 117253408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117253469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891154 + ... + 1891215.

It is an arithmetic number, because the mean of its divisors is an integer number (30258960).

Almost surely, 2^117253439 is an apocalyptic number.

117253439 is a deficient number, since it is larger than the sum of its proper divisors (3782401).

117253439 is an equidigital number, since it uses as much as digits as its factorization.

117253439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782400.

The product of its digits is 22680, while the sum is 35.

The square root of 117253439 is about 10828.3627109550. The cubic root of 117253439 is about 489.4502219213.

The spelling of 117253439 in words is "one hundred seventeen million, two hundred fifty-three thousand, four hundred thirty-nine".