1173442120 has 16 divisors (see below), whose sum is σ = 2640244860. Its totient is φ = 469376832.

The previous prime is 1173442111. The next prime is 1173442121. The reversal of 1173442120 is 212443711.

It can be written as a sum of positive squares in 2 ways, for example, as 1102107204 + 71334916 = 33198^2 + 8446^2 .

It is not an unprimeable number, because it can be changed into a prime (1173442121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14667987 + ... + 14668066.

Almost surely, 2^1173442120 is an apocalyptic number.

1173442120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1173442120 is an abundant number, since it is smaller than the sum of its proper divisors (1466802740).

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

1173442120 is a wasteful number, since it uses less digits than its factorization.

1173442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29336064 (or 29336060 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1173442120 is about 34255.5414495232. The cubic root of 1173442120 is about 1054.7605814760.

Adding to 1173442120 its reverse (212443711), we get a palindrome (1385885831).

The spelling of 1173442120 in words is "one billion, one hundred seventy-three million, four hundred forty-two thousand, one hundred twenty".