121424534 has 32 divisors (see below), whose sum is σ = 232630272. Its totient is φ = 46152000.

The previous prime is 121424509. The next prime is 121424539. The reversal of 121424534 is 435424121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121424539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3302 + ... + 15929.

It is an arithmetic number, because the mean of its divisors is an integer number (7269696).

Almost surely, 2^121424534 is an apocalyptic number.

121424534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121424534 is a deficient number, since it is larger than the sum of its proper divisors (111205738).

121424534 is a wasteful number, since it uses less digits than its factorization.

121424534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19292.

The product of its digits is 3840, while the sum is 26.

The square root of 121424534 is about 11019.2801035276. The cubic root of 121424534 is about 495.1865215521.

Adding to 121424534 its reverse (435424121), we get a palindrome (556848655).

The spelling of 121424534 in words is "one hundred twenty-one million, four hundred twenty-four thousand, five hundred thirty-four".