121033401 has 16 divisors (see below), whose sum is σ = 174465600. Its totient is φ = 74374848.

The previous prime is 121033391. The next prime is 121033403. The reversal of 121033401 is 104330121.

It is not a de Polignac number, because 121033401 - 2¹⁹ = 120509113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121033403) 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, 26586 + ... + 30803.

It is an arithmetic number, because the mean of its divisors is an integer number (10904100).

Almost surely, 2^121033401 is an apocalyptic number.

It is an amenable number.

121033401 is a deficient number, since it is larger than the sum of its proper divisors (53432199).

121033401 is a wasteful number, since it uses less digits than its factorization.

121033401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57448.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121033401 is about 11001.5181225138. The cubic root of 121033401 is about 494.6542509552.

Adding to 121033401 its reverse (104330121), we get a palindrome (225363522).

The spelling of 121033401 in words is "one hundred twenty-one million, thirty-three thousand, four hundred one".