122618461 has 16 divisors (see below), whose sum is σ = 143095680. Its totient is φ = 102896640.

The previous prime is 122618459. The next prime is 122618471. The reversal of 122618461 is 164816221.

It is not a de Polignac number, because 122618461 - 2¹ = 122618459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122618411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138741 + ... + 139621.

It is an arithmetic number, because the mean of its divisors is an integer number (8943480).

Almost surely, 2^122618461 is an apocalyptic number.

It is an amenable number.

122618461 is a deficient number, since it is larger than the sum of its proper divisors (20477219).

122618461 is an equidigital number, since it uses as much as digits as its factorization.

122618461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its digits is 4608, while the sum is 31.

The square root of 122618461 is about 11073.3220399300. The cubic root of 122618461 is about 496.8042323221.

The spelling of 122618461 in words is "one hundred twenty-two million, six hundred eighteen thousand, four hundred sixty-one".