115120077 has 4 divisors (see below), whose sum is σ = 153493440. Its totient is φ = 76746716.

The previous prime is 115120067. The next prime is 115120079. The reversal of 115120077 is 770021511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115120077 - 2¹² = 115115981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115120079) 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, 19186677 + ... + 19186682.

It is an arithmetic number, because the mean of its divisors is an integer number (38373360).

Almost surely, 2^115120077 is an apocalyptic number.

It is an amenable number.

115120077 is a deficient number, since it is larger than the sum of its proper divisors (38373363).

115120077 is an equidigital number, since it uses as much as digits as its factorization.

115120077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38373362.

The product of its (nonzero) digits is 490, while the sum is 24.

The square root of 115120077 is about 10729.4024530726. The cubic root of 115120077 is about 486.4636086528.

Adding to 115120077 its reverse (770021511), we get a palindrome (885141588).

The spelling of 115120077 in words is "one hundred fifteen million, one hundred twenty thousand, seventy-seven".