1169026980 has 144 divisors (see below), whose sum is σ = 3754864512. Its totient is φ = 271040000.

The previous prime is 1169026949. The next prime is 1169026987. The reversal of 1169026980 is 896209611.

It is not an unprimeable number, because it can be changed into a prime (1169026987) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163480 + ... + 170480.

It is an arithmetic number, because the mean of its divisors is an integer number (26075448).

Almost surely, 2^1169026980 is an apocalyptic number.

1169026980 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 1169026980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1877432256).

1169026980 is an abundant number, since it is smaller than the sum of its proper divisors (2585837532).

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

1169026980 is a wasteful number, since it uses less digits than its factorization.

1169026980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7058 (or 7045 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1169026980 is about 34191.0365446852. The cubic root of 1169026980 is about 1053.4360541370.

The spelling of 1169026980 in words is "one billion, one hundred sixty-nine million, twenty-six thousand, nine hundred eighty".