122027643 has 12 divisors (see below), whose sum is σ = 176504848. Its totient is φ = 81239760.

The previous prime is 122027639. The next prime is 122027657. The reversal of 122027643 is 346720221.

122027643 is a `hidden beast` number, since 12 + 2 + 0 + 2 + 7 + 643 = 666.

It is not a de Polignac number, because 122027643 - 2² = 122027639 is a prime.

It is a super-2 number, since 2×122027643² = 29781491312270898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122027623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2143 + ... + 15768.

Almost surely, 2^122027643 is an apocalyptic number.

122027643 is a deficient number, since it is larger than the sum of its proper divisors (54477205).

122027643 is a wasteful number, since it uses less digits than its factorization.

122027643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18674 (or 18671 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 122027643 is about 11046.6122861265. The cubic root of 122027643 is about 496.0050226577.

Adding to 122027643 its reverse (346720221), we get a palindrome (468747864).

The spelling of 122027643 in words is "one hundred twenty-two million, twenty-seven thousand, six hundred forty-three".