1177115040 has 144 divisors (see below), whose sum is σ = 4125656808. Its totient is φ = 305399808.

The previous prime is 1177115033. The next prime is 1177115059. The reversal of 1177115040 is 405117711.

It can be written as a sum of positive squares in 4 ways, for example, as 1177038864 + 76176 = 34308^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 1177114995 and 1177115013.

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, 42234 + ... + 64326.

Almost surely, 2^1177115040 is an apocalyptic number.

1177115040 is a gapful number since it is divisible by the number (10) 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 1177115040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2062828404).

1177115040 is an abundant number, since it is smaller than the sum of its proper divisors (2948541768).

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

1177115040 is a wasteful number, since it uses less digits than its factorization.

1177115040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22151 (or 22140 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 27.

The square root of 1177115040 is about 34309.1101604224. The cubic root of 1177115040 is about 1055.8599159909.

The spelling of 1177115040 in words is "one billion, one hundred seventy-seven million, one hundred fifteen thousand, forty".