122444397 has 6 divisors (see below), whose sum is σ = 176864142. Its totient is φ = 81629592.

The previous prime is 122444393. The next prime is 122444401. The reversal of 122444397 is 793444221.

122444397 is a `hidden beast` number, since 1 + 224 + 44 + 397 = 666.

It is an interprime number because it is at equal distance from previous prime (122444393) and next prime (122444401).

It can be written as a sum of positive squares in only one way, i.e., 72233001 + 50211396 = 8499^2 + 7086^2 .

It is not a de Polignac number, because 122444397 - 2² = 122444393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122444393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6802458 + ... + 6802475.

It is an arithmetic number, because the mean of its divisors is an integer number (29477357).

Almost surely, 2^122444397 is an apocalyptic number.

It is an amenable number.

122444397 is a deficient number, since it is larger than the sum of its proper divisors (54419745).

122444397 is a wasteful number, since it uses less digits than its factorization.

122444397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13604939 (or 13604936 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 122444397 is about 11065.4596379906. The cubic root of 122444397 is about 496.5690402132.

It can be divided in two parts, 12244 and 4397, that added together give a square (16641 = 129²).

The spelling of 122444397 in words is "one hundred twenty-two million, four hundred forty-four thousand, three hundred ninety-seven".