121744276 has 12 divisors (see below), whose sum is σ = 225585108. Its totient is φ = 57291392.

The previous prime is 121744261. The next prime is 121744307. The reversal of 121744276 is 672447121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87871876 + 33872400 = 9374^2 + 5820^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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 in 3 ways as a sum of consecutive naturals, for example, 895111 + ... + 895246.

It is an arithmetic number, because the mean of its divisors is an integer number (18798759).

Almost surely, 2^121744276 is an apocalyptic number.

It is an amenable number.

121744276 is a deficient number, since it is larger than the sum of its proper divisors (103840832).

121744276 is a wasteful number, since it uses less digits than its factorization.

121744276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790378 (or 1790376 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 121744276 is about 11033.7788631094. The cubic root of 121744276 is about 495.6207917124.

The spelling of 121744276 in words is "one hundred twenty-one million, seven hundred forty-four thousand, two hundred seventy-six".