115211207 has 4 divisors (see below), whose sum is σ = 115264296. Its totient is φ = 115158120.

The previous prime is 115211179. The next prime is 115211251. The reversal of 115211207 is 702112511.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 115211207 - 2⁶ = 115211143 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 (115214207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23144 + ... + 27677.

It is an arithmetic number, because the mean of its divisors is an integer number (28816074).

Almost surely, 2^115211207 is an apocalyptic number.

115211207 is a deficient number, since it is larger than the sum of its proper divisors (53089).

115211207 is an equidigital number, since it uses as much as digits as its factorization.

115211207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53088.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 115211207 is about 10733.6483545903. The cubic root of 115211207 is about 486.5919376615.

Adding to 115211207 its reverse (702112511), we get a palindrome (817323718).

The spelling of 115211207 in words is "one hundred fifteen million, two hundred eleven thousand, two hundred seven".