121133018 has 32 divisors (see below), whose sum is σ = 196862400. Its totient is φ = 55724544.

The previous prime is 121133017. The next prime is 121133069. The reversal of 121133018 is 810331121.

It is not an unprimeable number, because it can be changed into a prime (121133017) 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, 217196 + ... + 217752.

It is an arithmetic number, because the mean of its divisors is an integer number (6151950).

Almost surely, 2^121133018 is an apocalyptic number.

121133018 is a deficient number, since it is larger than the sum of its proper divisors (75729382).

121133018 is a wasteful number, since it uses less digits than its factorization.

121133018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 121133018 is about 11006.0446119394. The cubic root of 121133018 is about 494.7899227597.

Adding to 121133018 its reverse (810331121), we get a palindrome (931464139).

The spelling of 121133018 in words is "one hundred twenty-one million, one hundred thirty-three thousand, eighteen".