122989548 has 24 divisors (see below), whose sum is σ = 313064640. Its totient is φ = 37269520.

The previous prime is 122989541. The next prime is 122989549. The reversal of 122989548 is 845989221.

It is a junction number, because it is equal to n+sod(n) for n = 122989497 and 122989506.

It is not an unprimeable number, because it can be changed into a prime (122989541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465738 + ... + 466001.

It is an arithmetic number, because the mean of its divisors is an integer number (13044360).

Almost surely, 2^122989548 is an apocalyptic number.

It is an amenable number.

122989548 is an abundant number, since it is smaller than the sum of its proper divisors (190075092).

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

122989548 is a wasteful number, since it uses less digits than its factorization.

122989548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931757 (or 931755 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 122989548 is about 11090.0652838475. The cubic root of 122989548 is about 497.3048962665.

The spelling of 122989548 in words is "one hundred twenty-two million, nine hundred eighty-nine thousand, five hundred forty-eight".