122565464 has 48 divisors (see below), whose sum is σ = 268894080. Its totient is φ = 52221120.

The previous prime is 122565451. The next prime is 122565473. The reversal of 122565464 is 464565221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74054 + ... + 75690.

It is an arithmetic number, because the mean of its divisors is an integer number (5601960).

Almost surely, 2^122565464 is an apocalyptic number.

122565464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122565464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134447040).

122565464 is an abundant number, since it is smaller than the sum of its proper divisors (146328616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122565464 is a wasteful number, since it uses less digits than its factorization.

122565464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1837 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 122565464 is about 11070.9287776591. The cubic root of 122565464 is about 496.7326473208.

The spelling of 122565464 in words is "one hundred twenty-two million, five hundred sixty-five thousand, four hundred sixty-four".