121514967265 has 36 divisors (see below), whose sum is σ = 152183492604. Its totient is φ = 93139570048.

The previous prime is 121514967263. The next prime is 121514967271. The reversal of 121514967265 is 562769415121.

It can be written as a sum of positive squares in 6 ways, for example, as 8949349201 + 112565618064 = 94601^2 + 335508^2 .

It is not a de Polignac number, because 121514967265 - 2¹ = 121514967263 is a prime.

It is a super-4 number, since 4×121514967265⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121514967263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 317271264 + ... + 317271646.

It is an arithmetic number, because the mean of its divisors is an integer number (4227319239).

Almost surely, 2^121514967265 is an apocalyptic number.

It is an amenable number.

121514967265 is a deficient number, since it is larger than the sum of its proper divisors (30668525339).

121514967265 is an frugal number, since it uses more digits than its factorization.

121514967265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 614 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The spelling of 121514967265 in words is "one hundred twenty-one billion, five hundred fourteen million, nine hundred sixty-seven thousand, two hundred sixty-five".