122641892 has 24 divisors (see below), whose sum is σ = 218529696. Its totient is φ = 60211008.

The previous prime is 122641873. The next prime is 122641901. The reversal of 122641892 is 298146221.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118208 + ... + 119240.

It is an arithmetic number, because the mean of its divisors is an integer number (9105404).

Almost surely, 2^122641892 is an apocalyptic number.

It is an amenable number.

122641892 is a deficient number, since it is larger than the sum of its proper divisors (95887804).

122641892 is a wasteful number, since it uses less digits than its factorization.

122641892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547 (or 1545 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 122641892 is about 11074.3799826446. The cubic root of 122641892 is about 496.8358748619.

The spelling of 122641892 in words is "one hundred twenty-two million, six hundred forty-one thousand, eight hundred ninety-two".