122121035158 has 8 divisors (see below), whose sum is σ = 184623927552. Its totient is φ = 60579725976.

The previous prime is 122121035143. The next prime is 122121035171. The reversal of 122121035158 is 851530121221.

It is a happy number.

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

It is a super-2 number, since 2×122121035158² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240395485 + ... + 240395992.

It is an arithmetic number, because the mean of its divisors is an integer number (23077990944).

Almost surely, 2^122121035158 is an apocalyptic number.

122121035158 is a deficient number, since it is larger than the sum of its proper divisors (62502892394).

122121035158 is a wasteful number, since it uses less digits than its factorization.

122121035158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480791606.

The product of its (nonzero) digits is 4800, while the sum is 31.

Adding to 122121035158 its reverse (851530121221), we get a palindrome (973651156379).

The spelling of 122121035158 in words is "one hundred twenty-two billion, one hundred twenty-one million, thirty-five thousand, one hundred fifty-eight".