1210980960 has 288 divisors, whose sum is σ = 4972181760. Its totient is φ = 262185984.

The previous prime is 1210980943. The next prime is 1210980971. The reversal of 1210980960 is 690890121.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 188359 + ... + 194681.

It is an arithmetic number, because the mean of its divisors is an integer number (17264520).

Almost surely, 2^1210980960 is an apocalyptic number.

1210980960 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 1210980960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2486090880).

1210980960 is an abundant number, since it is smaller than the sum of its proper divisors (3761200800).

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

1210980960 is a wasteful number, since it uses less digits than its factorization.

1210980960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370 (or 6359 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 1210980960 is about 34799.1517137990. The cubic root of 1210980960 is about 1065.8901240435.

The spelling of 1210980960 in words is "one billion, two hundred ten million, nine hundred eighty thousand, nine hundred sixty".