121532254 has 8 divisors (see below), whose sum is σ = 182374920. Its totient is φ = 60740616.

The previous prime is 121532251. The next prime is 121532263. The reversal of 121532254 is 452235121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121532251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6109 + ... + 16744.

It is an arithmetic number, because the mean of its divisors is an integer number (22796865).

Almost surely, 2^121532254 is an apocalyptic number.

121532254 is a deficient number, since it is larger than the sum of its proper divisors (60842666).

121532254 is a wasteful number, since it uses less digits than its factorization.

121532254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25514.

The product of its digits is 2400, while the sum is 25.

The square root of 121532254 is about 11024.1668165898. The cubic root of 121532254 is about 495.3329107658.

Adding to 121532254 its reverse (452235121), we get a palindrome (573767375).

The spelling of 121532254 in words is "one hundred twenty-one million, five hundred thirty-two thousand, two hundred fifty-four".