121647268 has 12 divisors (see below), whose sum is σ = 218636572. Its totient is φ = 59179680.

The previous prime is 121647263. The next prime is 121647283. The reversal of 121647268 is 862746121.

It can be written as a sum of positive squares in 2 ways, for example, as 115605504 + 6041764 = 10752^2 + 2458^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (121647263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410823 + ... + 411118.

Almost surely, 2^121647268 is an apocalyptic number.

It is an amenable number.

121647268 is a deficient number, since it is larger than the sum of its proper divisors (96989304).

121647268 is a wasteful number, since it uses less digits than its factorization.

121647268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821982 (or 821980 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 121647268 is about 11029.3820316462. The cubic root of 121647268 is about 495.4891169180.

It can be divided in two parts, 1216 and 47268, that added together give a palindrome (48484).

The spelling of 121647268 in words is "one hundred twenty-one million, six hundred forty-seven thousand, two hundred sixty-eight".