122997449 has 8 divisors (see below), whose sum is σ = 126731520. Its totient is φ = 119310016.

The previous prime is 122997421. The next prime is 122997467. The reversal of 122997449 is 944799221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122997449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122993449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6269 + ... + 16890.

It is an arithmetic number, because the mean of its divisors is an integer number (15841440).

Almost surely, 2^122997449 is an apocalyptic number.

It is an amenable number.

122997449 is a deficient number, since it is larger than the sum of its proper divisors (3734071).

122997449 is a wasteful number, since it uses less digits than its factorization.

122997449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23319.

The product of its digits is 326592, while the sum is 47.

The square root of 122997449 is about 11090.4214978512. The cubic root of 122997449 is about 497.3155451981.

The spelling of 122997449 in words is "one hundred twenty-two million, nine hundred ninety-seven thousand, four hundred forty-nine".