121020524 has 6 divisors (see below), whose sum is σ = 211785924. Its totient is φ = 60510260.

The previous prime is 121020521. The next prime is 121020541. The reversal of 121020524 is 425020121.

It is not an unprimeable number, because it can be changed into a prime (121020521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127562 + ... + 15127569.

It is an arithmetic number, because the mean of its divisors is an integer number (35297654).

Almost surely, 2^121020524 is an apocalyptic number.

It is an amenable number.

121020524 is a deficient number, since it is larger than the sum of its proper divisors (90765400).

121020524 is a wasteful number, since it uses less digits than its factorization.

121020524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30255135 (or 30255133 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 121020524 is about 11000.9328695343. The cubic root of 121020524 is about 494.6367078950.

Adding to 121020524 its reverse (425020121), we get a palindrome (546040645).

The spelling of 121020524 in words is "one hundred twenty-one million, twenty thousand, five hundred twenty-four".