121115463 has 32 divisors (see below), whose sum is σ = 197406720. Its totient is φ = 64473600.

The previous prime is 121115437. The next prime is 121115473. The reversal of 121115463 is 364511121.

It is a happy number.

It is not a de Polignac number, because 121115463 - 2⁶ = 121115399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121115473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34378 + ... + 37736.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^121115463 is an apocalyptic number.

121115463 is a deficient number, since it is larger than the sum of its proper divisors (76291257).

121115463 is a wasteful number, since it uses less digits than its factorization.

121115463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487.

The product of its digits is 720, while the sum is 24.

The square root of 121115463 is about 11005.2470667405. The cubic root of 121115463 is about 494.7660194043.

Adding to 121115463 its reverse (364511121), we get a palindrome (485626584).

The spelling of 121115463 in words is "one hundred twenty-one million, one hundred fifteen thousand, four hundred sixty-three".