121136368 has 10 divisors (see below), whose sum is σ = 234701744. Its totient is φ = 60568176.

The previous prime is 121136357. The next prime is 121136383. The reversal of 121136368 is 863631121.

It is a super-3 number, since 3×121136368³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 3785496 + ... + 3785527.

Almost surely, 2^121136368 is an apocalyptic number.

It is an amenable number.

121136368 is a deficient number, since it is larger than the sum of its proper divisors (113565376).

121136368 is an equidigital number, since it uses as much as digits as its factorization.

121136368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7571031 (or 7571025 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 121136368 is about 11006.1967999850. The cubic root of 121136368 is about 494.7944839465.

Adding to 121136368 its reverse (863631121), we get a palindrome (984767489).

It can be divided in two parts, 12113 and 6368, that added together give a palindrome (18481).

The spelling of 121136368 in words is "one hundred twenty-one million, one hundred thirty-six thousand, three hundred sixty-eight".