115141421 has 4 divisors (see below), whose sum is σ = 115557372. Its totient is φ = 114725472.

The previous prime is 115141417. The next prime is 115141423. The reversal of 115141421 is 124141511.

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 12524521 + 102616900 = 3539^2 + 10130^2 .

It is a cyclic number.

It is not a de Polignac number, because 115141421 - 2² = 115141417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115141393 and 115141402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115141423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207560 + ... + 208113.

It is an arithmetic number, because the mean of its divisors is an integer number (28889343).

Almost surely, 2^115141421 is an apocalyptic number.

It is an amenable number.

115141421 is a deficient number, since it is larger than the sum of its proper divisors (415951).

115141421 is an equidigital number, since it uses as much as digits as its factorization.

115141421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415950.

The product of its digits is 160, while the sum is 20.

The square root of 115141421 is about 10730.3970569593. The cubic root of 115141421 is about 486.4936712851.

Adding to 115141421 its reverse (124141511), we get a palindrome (239282932).

The spelling of 115141421 in words is "one hundred fifteen million, one hundred forty-one thousand, four hundred twenty-one".