121004501 has 16 divisors (see below), whose sum is σ = 129945600. Its totient is φ = 112425600.

The previous prime is 121004447. The next prime is 121004551. The reversal of 121004501 is 105400121.

It is a cyclic number.

It is not a de Polignac number, because 121004501 - 2⁶ = 121004437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121004551) 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, 252380 + ... + 252858.

It is an arithmetic number, because the mean of its divisors is an integer number (8121600).

Almost surely, 2^121004501 is an apocalyptic number.

It is an amenable number.

121004501 is a deficient number, since it is larger than the sum of its proper divisors (8941099).

121004501 is a wasteful number, since it uses less digits than its factorization.

121004501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 121004501 is about 11000.2045890065. The cubic root of 121004501 is about 494.6148771247.

Adding to 121004501 its reverse (105400121), we get a palindrome (226404622).

The spelling of 121004501 in words is "one hundred twenty-one million, four thousand, five hundred one".