1169537980 has 24 divisors (see below), whose sum is σ = 2644955712. Its totient is φ = 431829312.

The previous prime is 1169537947. The next prime is 1169537983. The reversal of 1169537980 is 897359611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1169537983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2248852 + ... + 2249371.

It is an arithmetic number, because the mean of its divisors is an integer number (110206488).

Almost surely, 2^1169537980 is an apocalyptic number.

1169537980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1169537980 is an abundant number, since it is smaller than the sum of its proper divisors (1475417732).

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

1169537980 is a wasteful number, since it uses less digits than its factorization.

1169537980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498245 (or 4498243 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 49.

The square root of 1169537980 is about 34198.5084470069. The cubic root of 1169537980 is about 1053.5895229100.

The spelling of 1169537980 in words is "one billion, one hundred sixty-nine million, five hundred thirty-seven thousand, nine hundred eighty".