121282276 has 6 divisors (see below), whose sum is σ = 212243990. Its totient is φ = 60641136.

The previous prime is 121282237. The next prime is 121282277. The reversal of 121282276 is 672282121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64641600 + 56640676 = 8040^2 + 7526^2 .

It is not an unprimeable number, because it can be changed into a prime (121282277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160281 + ... + 15160288.

Almost surely, 2^121282276 is an apocalyptic number.

It is an amenable number.

121282276 is a deficient number, since it is larger than the sum of its proper divisors (90961714).

121282276 is a wasteful number, since it uses less digits than its factorization.

121282276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30320573 (or 30320571 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 121282276 is about 11012.8232529175. The cubic root of 121282276 is about 494.9930631957.

The spelling of 121282276 in words is "one hundred twenty-one million, two hundred eighty-two thousand, two hundred seventy-six".