121526087 has 2 divisors, whose sum is σ = 121526088. Its totient is φ = 121526086.

The previous prime is 121526063. The next prime is 121526137. The reversal of 121526087 is 780625121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121526087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121526287) 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 as a sum of consecutive naturals, namely, 60763043 + 60763044.

It is an arithmetic number, because the mean of its divisors is an integer number (60763044).

Almost surely, 2^121526087 is an apocalyptic number.

121526087 is a deficient number, since it is larger than the sum of its proper divisors (1).

121526087 is an equidigital number, since it uses as much as digits as its factorization.

121526087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 121526087 is about 11023.8871093639. The cubic root of 121526087 is about 495.3245322774.

The spelling of 121526087 in words is "one hundred twenty-one million, five hundred twenty-six thousand, eighty-seven".