121117527 has 12 divisors (see below), whose sum is σ = 180591424. Its totient is φ = 78140160.

The previous prime is 121117523. The next prime is 121117531. The reversal of 121117527 is 725711121.

121117527 is a `hidden beast` number, since 1 + 21 + 117 + 527 = 666.

It is an interprime number because it is at equal distance from previous prime (121117523) and next prime (121117531).

It is not a de Polignac number, because 121117527 - 2² = 121117523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121117527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121117523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216778 + ... + 217335.

Almost surely, 2^121117527 is an apocalyptic number.

121117527 is a deficient number, since it is larger than the sum of its proper divisors (59473897).

121117527 is a wasteful number, since it uses less digits than its factorization.

121117527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434150 (or 434147 counting only the distinct ones).

The product of its digits is 980, while the sum is 27.

The square root of 121117527 is about 11005.3408397923. The cubic root of 121117527 is about 494.7688299215.

Adding to 121117527 its reverse (725711121), we get a palindrome (846828648).

The spelling of 121117527 in words is "one hundred twenty-one million, one hundred seventeen thousand, five hundred twenty-seven".