122521461 has 4 divisors (see below), whose sum is σ = 163361952. Its totient is φ = 81680972.

The previous prime is 122521459. The next prime is 122521463. The reversal of 122521461 is 164125221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (122521459) and next prime (122521463).

It is a cyclic number.

It is not a de Polignac number, because 122521461 - 2¹ = 122521459 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122521463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20420241 + ... + 20420246.

It is an arithmetic number, because the mean of its divisors is an integer number (40840488).

Almost surely, 2^122521461 is an apocalyptic number.

It is an amenable number.

122521461 is a deficient number, since it is larger than the sum of its proper divisors (40840491).

122521461 is an equidigital number, since it uses as much as digits as its factorization.

122521461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40840490.

The product of its digits is 960, while the sum is 24.

The square root of 122521461 is about 11068.9412772857. The cubic root of 122521461 is about 496.6731951657.

Adding to 122521461 its reverse (164125221), we get a palindrome (286646682).

The spelling of 122521461 in words is "one hundred twenty-two million, five hundred twenty-one thousand, four hundred sixty-one".