122135461 has 4 divisors (see below), whose sum is σ = 139583392. Its totient is φ = 104687532.

The previous prime is 122135441. The next prime is 122135467. The reversal of 122135461 is 164531221.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 122135461 - 2⁷ = 122135333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122135467) 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, 8723955 + ... + 8723968.

It is an arithmetic number, because the mean of its divisors is an integer number (34895848).

Almost surely, 2^122135461 is an apocalyptic number.

It is an amenable number.

122135461 is a deficient number, since it is larger than the sum of its proper divisors (17447931).

122135461 is an equidigital number, since it uses as much as digits as its factorization.

122135461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17447930.

The product of its digits is 1440, while the sum is 25.

The square root of 122135461 is about 11051.4913473250. The cubic root of 122135461 is about 496.1510620458.

Adding to 122135461 its reverse (164531221), we get a palindrome (286666682).

The spelling of 122135461 in words is "one hundred twenty-two million, one hundred thirty-five thousand, four hundred sixty-one".