121433601 has 16 divisors (see below), whose sum is σ = 173107584. Its totient is φ = 75450624.

The previous prime is 121433573. The next prime is 121433633. The reversal of 121433601 is 106334121.

It is not a de Polignac number, because 121433601 - 2¹¹ = 121431553 is a prime.

It is a super-2 number, since 2×121433601² = 29492238903654402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121433651) 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, 6306 + ... + 16811.

It is an arithmetic number, because the mean of its divisors is an integer number (10819224).

Almost surely, 2^121433601 is an apocalyptic number.

It is an amenable number.

121433601 is a deficient number, since it is larger than the sum of its proper divisors (51673983).

121433601 is a wasteful number, since it uses less digits than its factorization.

121433601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23240.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 121433601 is about 11019.6915111086. The cubic root of 121433601 is about 495.1988467506.

Adding to 121433601 its reverse (106334121), we get a palindrome (227767722).

The spelling of 121433601 in words is "one hundred twenty-one million, four hundred thirty-three thousand, six hundred one".