122774465 has 12 divisors (see below), whose sum is σ = 161941332. Its totient is φ = 89290080.

The previous prime is 122774461. The next prime is 122774501. The reversal of 122774465 is 564477221.

It can be written as a sum of positive squares in 2 ways, for example, as 76860289 + 45914176 = 8767^2 + 6776^2 .

It is not a de Polignac number, because 122774465 - 2² = 122774461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122774461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100862 + ... + 102071.

It is an arithmetic number, because the mean of its divisors is an integer number (13495111).

Almost surely, 2^122774465 is an apocalyptic number.

It is an amenable number.

122774465 is a deficient number, since it is larger than the sum of its proper divisors (39166867).

122774465 is a wasteful number, since it uses less digits than its factorization.

122774465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202960 (or 202949 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 122774465 is about 11080.3639380663. The cubic root of 122774465 is about 497.0148330249.

The spelling of 122774465 in words is "one hundred twenty-two million, seven hundred seventy-four thousand, four hundred sixty-five".