115401121 has 32 divisors (see below), whose sum is σ = 136857600. Its totient is φ = 96290880.

The previous prime is 115401119. The next prime is 115401131. The reversal of 115401121 is 121104511.

It is a cyclic number.

It is not a de Polignac number, because 115401121 - 2¹ = 115401119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115401095 and 115401104.

It is not an unprimeable number, because it can be changed into a prime (115401131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644610 + ... + 644788.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^115401121 is an apocalyptic number.

115401121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115401121 is a deficient number, since it is larger than the sum of its proper divisors (21456479).

115401121 is a wasteful number, since it uses less digits than its factorization.

115401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 115401121 is about 10742.4913777019. The cubic root of 115401121 is about 486.8591567211.

Adding to 115401121 its reverse (121104511), we get a palindrome (236505632).

The spelling of 115401121 in words is "one hundred fifteen million, four hundred one thousand, one hundred twenty-one".