122023671642 has 40 divisors (see below), whose sum is σ = 273466879092. Its totient is φ = 40668091200.

The previous prime is 122023671641. The next prime is 122023671647. The reversal of 122023671642 is 246176320221.

122023671642 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 2 + 3 + 6 + 7 + 1 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 110415979521 + 11607692121 = 332289^2 + 107739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122023671597 and 122023671606.

It is not an unprimeable number, because it can be changed into a prime (122023671641) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1022542 + ... + 1135622.

Almost surely, 2^122023671642 is an apocalyptic number.

122023671642 is an abundant number, since it is smaller than the sum of its proper divisors (151443207450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122023671642 is a wasteful number, since it uses less digits than its factorization.

122023671642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119756 (or 119747 counting only the distinct ones).

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

Adding to 122023671642 its reverse (246176320221), we get a palindrome (368199991863).

The spelling of 122023671642 in words is "one hundred twenty-two billion, twenty-three million, six hundred seventy-one thousand, six hundred forty-two".