122049442 has 8 divisors (see below), whose sum is σ = 183158316. Its totient is φ = 60996672.

The previous prime is 122049439. The next prime is 122049451. The reversal of 122049442 is 244940221.

It can be written as a sum of positive squares in 2 ways, for example, as 119705481 + 2343961 = 10941^2 + 1531^2 .

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

It is a super-2 number, since 2×122049442² = 29792132585022728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122049442.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8083 + ... + 17590.

Almost surely, 2^122049442 is an apocalyptic number.

122049442 is a deficient number, since it is larger than the sum of its proper divisors (61108874).

122049442 is a wasteful number, since it uses less digits than its factorization.

122049442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28052.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 122049442 is about 11047.5989246533. The cubic root of 122049442 is about 496.0345563203.

Adding to 122049442 its reverse (244940221), we get a palindrome (366989663).

The spelling of 122049442 in words is "one hundred twenty-two million, forty-nine thousand, four hundred forty-two".