115220203 has 8 divisors (see below), whose sum is σ = 139426272. Its totient is φ = 92950656.

The previous prime is 115220197. The next prime is 115220221. The reversal of 115220203 is 302022511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115220203 - 2⁹ = 115219691 is a prime.

It is a super-2 number, since 2×115220203² = 26551390358722418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115220233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484000 + ... + 484237.

It is an arithmetic number, because the mean of its divisors is an integer number (17428284).

Almost surely, 2^115220203 is an apocalyptic number.

115220203 is a deficient number, since it is larger than the sum of its proper divisors (24206069).

115220203 is an equidigital number, since it uses as much as digits as its factorization.

115220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968261.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 115220203 is about 10734.0674024342. The cubic root of 115220203 is about 486.6046021330.

Adding to 115220203 its reverse (302022511), we get a palindrome (417242714).

The spelling of 115220203 in words is "one hundred fifteen million, two hundred twenty thousand, two hundred three".