121337265 has 32 divisors (see below), whose sum is σ = 223027200. Its totient is φ = 55180224.

The previous prime is 121337263. The next prime is 121337297. The reversal of 121337265 is 562733121.

It is not a de Polignac number, because 121337265 - 2¹ = 121337263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121337263) 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 31 ways as a sum of consecutive naturals, for example, 17992 + ... + 23798.

It is an arithmetic number, because the mean of its divisors is an integer number (6969600).

Almost surely, 2^121337265 is an apocalyptic number.

121337265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121337265 is a deficient number, since it is larger than the sum of its proper divisors (101689935).

121337265 is a wasteful number, since it uses less digits than its factorization.

121337265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021.

The product of its digits is 7560, while the sum is 30.

The square root of 121337265 is about 11015.3195595952. The cubic root of 121337265 is about 495.0678613217.

The spelling of 121337265 in words is "one hundred twenty-one million, three hundred thirty-seven thousand, two hundred sixty-five".