122801265 has 48 divisors (see below), whose sum is σ = 225021888. Its totient is φ = 64224576.

The previous prime is 122801227. The next prime is 122801269. The reversal of 122801265 is 562108221.

It is a happy number.

It is not a de Polignac number, because 122801265 - 2⁹ = 122800753 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (122801269) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63442 + ... + 65348.

It is an arithmetic number, because the mean of its divisors is an integer number (4687956).

Almost surely, 2^122801265 is an apocalyptic number.

122801265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122801265 is a deficient number, since it is larger than the sum of its proper divisors (102220623).

122801265 is an equidigital number, since it uses as much as digits as its factorization.

122801265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 122801265 is about 11081.5732186364. The cubic root of 122801265 is about 497.0509942588.

Adding to 122801265 its reverse (562108221), we get a palindrome (684909486).

The spelling of 122801265 in words is "one hundred twenty-two million, eight hundred one thousand, two hundred sixty-five".