1172329488 has 120 divisors (see below), whose sum is σ = 3767630880. Its totient is φ = 336545280.

The previous prime is 1172329463. The next prime is 1172329513. The reversal of 1172329488 is 8849232711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1172329463) and next prime (1172329513).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10620 + ... + 49572.

It is an arithmetic number, because the mean of its divisors is an integer number (31396924).

Almost surely, 2^1172329488 is an apocalyptic number.

1172329488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172329488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1883815440).

1172329488 is an abundant number, since it is smaller than the sum of its proper divisors (2595301392).

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

1172329488 is a wasteful number, since it uses less digits than its factorization.

1172329488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38997 (or 38988 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 1172329488 is about 34239.2974226984. The cubic root of 1172329488 is about 1054.4271091313.

The spelling of 1172329488 in words is "one billion, one hundred seventy-two million, three hundred twenty-nine thousand, four hundred eighty-eight".