122111042 has 8 divisors (see below), whose sum is σ = 185675916. Its totient is φ = 60219072.

The previous prime is 122111039. The next prime is 122111057. The reversal of 122111042 is 240111221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117310561 + 4800481 = 10831^2 + 2191^2 .

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

It is a super-2 number, since 2×122111042² = 29822213156651528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418043 + ... + 418334.

Almost surely, 2^122111042 is an apocalyptic number.

122111042 is a deficient number, since it is larger than the sum of its proper divisors (63564874).

122111042 is an equidigital number, since it uses as much as digits as its factorization.

122111042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836452.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 122111042 is about 11050.3865090774. The cubic root of 122111042 is about 496.1179940621.

Adding to 122111042 its reverse (240111221), we get a palindrome (362222263).

The spelling of 122111042 in words is "one hundred twenty-two million, one hundred eleven thousand, forty-two".