115221053 has 16 divisors (see below), whose sum is σ = 128583936. Its totient is φ = 102685440.

The previous prime is 115221049. The next prime is 115221059. The reversal of 115221053 is 350122511.

It is a happy number.

It is not a de Polignac number, because 115221053 - 2² = 115221049 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 (115221059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38843 + ... + 41703.

It is an arithmetic number, because the mean of its divisors is an integer number (8036496).

Almost surely, 2^115221053 is an apocalyptic number.

It is an amenable number.

115221053 is a deficient number, since it is larger than the sum of its proper divisors (13362883).

115221053 is a wasteful number, since it uses less digits than its factorization.

115221053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 115221053 is about 10734.1069959266. The cubic root of 115221053 is about 486.6057987197.

Adding to 115221053 its reverse (350122511), we get a palindrome (465343564).

The spelling of 115221053 in words is "one hundred fifteen million, two hundred twenty-one thousand, fifty-three".