121018054 has 4 divisors (see below), whose sum is σ = 181527084. Its totient is φ = 60509026.

The previous prime is 121018033. The next prime is 121018063. The reversal of 121018054 is 450810121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30254512 + ... + 30254515.

It is an arithmetic number, because the mean of its divisors is an integer number (45381771).

Almost surely, 2^121018054 is an apocalyptic number.

121018054 is a deficient number, since it is larger than the sum of its proper divisors (60509030).

121018054 is an equidigital number, since it uses as much as digits as its factorization.

121018054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60509029.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 121018054 is about 11000.8206057548. The cubic root of 121018054 is about 494.6333427331.

Adding to 121018054 its reverse (450810121), we get a palindrome (571828175).

The spelling of 121018054 in words is "one hundred twenty-one million, eighteen thousand, fifty-four".