121434527 has 2 divisors, whose sum is σ = 121434528. Its totient is φ = 121434526.

The previous prime is 121434517. The next prime is 121434539. The reversal of 121434527 is 725434121.

It is a weak prime.

It is an emirp because it is prime and its reverse (725434121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121434527 - 2⁶ = 121434463 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 121434527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121434517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60717263 + 60717264.

It is an arithmetic number, because the mean of its divisors is an integer number (60717264).

Almost surely, 2^121434527 is an apocalyptic number.

121434527 is a deficient number, since it is larger than the sum of its proper divisors (1).

121434527 is an equidigital number, since it uses as much as digits as its factorization.

121434527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 121434527 is about 11019.7335267238. The cubic root of 121434527 is about 495.2001054713.

Adding to 121434527 its reverse (725434121), we get a palindrome (846868648).

The spelling of 121434527 in words is "one hundred twenty-one million, four hundred thirty-four thousand, five hundred twenty-seven".