121424265 has 40 divisors (see below), whose sum is σ = 222330240. Its totient is φ = 63371808.

The previous prime is 121424243. The next prime is 121424279. The reversal of 121424265 is 562424121.

It is not a de Polignac number, because 121424265 - 2⁶ = 121424201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15846 + ... + 22224.

It is an arithmetic number, because the mean of its divisors is an integer number (5558256).

Almost surely, 2^121424265 is an apocalyptic number.

121424265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121424265 is a deficient number, since it is larger than the sum of its proper divisors (100905975).

121424265 is an equidigital number, since it uses as much as digits as its factorization.

121424265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443 (or 6434 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 121424265 is about 11019.2678976418. The cubic root of 121424265 is about 495.1861558784.

Adding to 121424265 its reverse (562424121), we get a palindrome (683848386).

The spelling of 121424265 in words is "one hundred twenty-one million, four hundred twenty-four thousand, two hundred sixty-five".