121533054 has 8 divisors (see below), whose sum is σ = 243066120. Its totient is φ = 40511016.

The previous prime is 121533053. The next prime is 121533059. The reversal of 121533054 is 450335121.

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

121533054 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121533053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10127749 + ... + 10127760.

It is an arithmetic number, because the mean of its divisors is an integer number (30383265).

Almost surely, 2^121533054 is an apocalyptic number.

121533054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121533054 is a wasteful number, since it uses less digits than its factorization.

121533054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20255514.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 121533054 is about 11024.2031004513. The cubic root of 121533054 is about 495.3339976253. Note that the first 3 decimals are identical.

Adding to 121533054 its reverse (450335121), we get a palindrome (571868175).

The spelling of 121533054 in words is "one hundred twenty-one million, five hundred thirty-three thousand, fifty-four".