1167229980 has 288 divisors, whose sum is σ = 4363591680. Its totient is φ = 258007680.

The previous prime is 1167229963. The next prime is 1167229993. The reversal of 1167229980 is 899227611.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 819549 + ... + 820971.

It is an arithmetic number, because the mean of its divisors is an integer number (15151360).

Almost surely, 2^1167229980 is an apocalyptic number.

1167229980 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 1167229980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2181795840).

1167229980 is an abundant number, since it is smaller than the sum of its proper divisors (3196361700).

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

1167229980 is a wasteful number, since it uses less digits than its factorization.

1167229980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 1167229980 is about 34164.7476209030. The cubic root of 1167229980 is about 1052.8960051842.

The spelling of 1167229980 in words is "one billion, one hundred sixty-seven million, two hundred twenty-nine thousand, nine hundred eighty".