121316276 has 6 divisors (see below), whose sum is σ = 212303490. Its totient is φ = 60658136.

The previous prime is 121316249. The next prime is 121316317. The reversal of 121316276 is 672613121.

It can be written as a sum of positive squares in only one way, i.e., 83247376 + 38068900 = 9124^2 + 6170^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15164531 + ... + 15164538.

It is an arithmetic number, because the mean of its divisors is an integer number (35383915).

Almost surely, 2^121316276 is an apocalyptic number.

It is an amenable number.

121316276 is a deficient number, since it is larger than the sum of its proper divisors (90987214).

121316276 is a wasteful number, since it uses less digits than its factorization.

121316276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30329073 (or 30329071 counting only the distinct ones).

The product of its digits is 3024, while the sum is 29.

The square root of 121316276 is about 11014.3667997756. The cubic root of 121316276 is about 495.0393139540.

Adding to 121316276 its reverse (672613121), we get a palindrome (793929397).

The spelling of 121316276 in words is "one hundred twenty-one million, three hundred sixteen thousand, two hundred seventy-six".