115426 has 4 divisors (see below), whose sum is σ = 173142. Its totient is φ = 57712.

The previous prime is 115421. The next prime is 115429. The reversal of 115426 is 624511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624511 = 19 ⋅32869.

It can be written as a sum of positive squares in only one way, i.e., 105625 + 9801 = 325^2 + 99^2 .

It is a super-2 number, since 2×115426² = 26646322952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115421) by changing a digit.

115426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28855 + ... + 28858.

2¹¹⁵⁴²⁶ is an apocalyptic number.

115426 is a deficient number, since it is larger than the sum of its proper divisors (57716).

115426 is an equidigital number, since it uses as much as digits as its factorization.

115426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57715.

The product of its digits is 240, while the sum is 19.

The square root of 115426 is about 339.7440212866. The cubic root of 115426 is about 48.6894141068.

Adding to 115426 its reverse (624511), we get a palindrome (739937).

The spelling of 115426 in words is "one hundred fifteen thousand, four hundred twenty-six".