122641893 has 24 divisors (see below), whose sum is σ = 204624576. Its totient is φ = 69955200.

The previous prime is 122641873. The next prime is 122641901. The reversal of 122641893 is 398146221.

122641893 is a `hidden beast` number, since 1 + 2 + 2 + 641 + 8 + 9 + 3 = 666.

It is not a de Polignac number, because 122641893 - 2⁶ = 122641829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122641823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34753 + ... + 38118.

It is an arithmetic number, because the mean of its divisors is an integer number (8526024).

Almost surely, 2^122641893 is an apocalyptic number.

It is an amenable number.

122641893 is a deficient number, since it is larger than the sum of its proper divisors (81982683).

122641893 is a wasteful number, since it uses less digits than its factorization.

122641893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72905 (or 72902 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 122641893 is about 11074.3800277939. The cubic root of 122641893 is about 496.8358762122.

The spelling of 122641893 in words is "one hundred twenty-two million, six hundred forty-one thousand, eight hundred ninety-three".