123089960 has 48 divisors (see below), whose sum is σ = 322174260. Its totient is φ = 42201600.

The previous prime is 123089957. The next prime is 123089969. The reversal of 123089960 is 69980321.

It can be written as a sum of positive squares in 2 ways, for example, as 110544196 + 12545764 = 10514^2 + 3542^2 .

It is a super-2 number, since 2×123089960² = 30302276505603200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123089969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29441 + ... + 33360.

Almost surely, 2^123089960 is an apocalyptic number.

123089960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123089960 is an abundant number, since it is smaller than the sum of its proper divisors (199084300).

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

123089960 is a wasteful number, since it uses less digits than its factorization.

123089960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62826 (or 62815 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 123089960 is about 11094.5914751288. The cubic root of 123089960 is about 497.4401971835.

The spelling of 123089960 in words is "one hundred twenty-three million, eighty-nine thousand, nine hundred sixty".