121544366 has 32 divisors (see below), whose sum is σ = 193536000. Its totient is φ = 57169440.

The previous prime is 121544347. The next prime is 121544369. The reversal of 121544366 is 663445121.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121544369) 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, 544931 + ... + 545153.

It is an arithmetic number, because the mean of its divisors is an integer number (6048000).

Almost surely, 2^121544366 is an apocalyptic number.

121544366 is a deficient number, since it is larger than the sum of its proper divisors (71991634).

121544366 is a wasteful number, since it uses less digits than its factorization.

121544366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its digits is 17280, while the sum is 32.

The square root of 121544366 is about 11024.7161414705. The cubic root of 121544366 is about 495.3493653083.

Adding to 121544366 its reverse (663445121), we get a palindrome (784989487).

The spelling of 121544366 in words is "one hundred twenty-one million, five hundred forty-four thousand, three hundred sixty-six".