115401061 has 4 divisors (see below), whose sum is σ = 115429932. Its totient is φ = 115372192.

The previous prime is 115401053. The next prime is 115401071. The reversal of 115401061 is 160104511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104550625 + 10850436 = 10225^2 + 3294^2 .

It is a cyclic number.

It is not a de Polignac number, because 115401061 - 2³ = 115401053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115401071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7246 + ... + 16831.

It is an arithmetic number, because the mean of its divisors is an integer number (28857483).

Almost surely, 2^115401061 is an apocalyptic number.

It is an amenable number.

115401061 is a deficient number, since it is larger than the sum of its proper divisors (28871).

115401061 is an equidigital number, since it uses as much as digits as its factorization.

115401061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28870.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 115401061 is about 10742.4885850533. The cubic root of 115401061 is about 486.8590723443.

Adding to 115401061 its reverse (160104511), we get a palindrome (275505572).

The spelling of 115401061 in words is "one hundred fifteen million, four hundred one thousand, sixty-one".