121135054 has 4 divisors (see below), whose sum is σ = 181702584. Its totient is φ = 60567526.

The previous prime is 121135019. The next prime is 121135061. The reversal of 121135054 is 450531121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450531121 = 557 ⋅808853.

It is a congruent number.

It is an unprimeable number.

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, 30283762 + ... + 30283765.

It is an arithmetic number, because the mean of its divisors is an integer number (45425646).

Almost surely, 2^121135054 is an apocalyptic number.

121135054 is a deficient number, since it is larger than the sum of its proper divisors (60567530).

121135054 is an equidigital number, since it uses as much as digits as its factorization.

121135054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60567529.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 121135054 is about 11006.1371061785. The cubic root of 121135054 is about 494.7926948820.

Adding to 121135054 its reverse (450531121), we get a palindrome (571666175).

The spelling of 121135054 in words is "one hundred twenty-one million, one hundred thirty-five thousand, fifty-four".