1236982560 has 192 divisors, whose sum is σ = 4501090944. Its totient is φ = 282214400.

The previous prime is 1236982531. The next prime is 1236982589. The reversal of 1236982560 is 652896321.

It is an interprime number because it is at equal distance from previous prime (1236982531) and next prime (1236982589).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82870 + ... + 96650.

It is an arithmetic number, because the mean of its divisors is an integer number (23443182).

Almost surely, 2^1236982560 is an apocalyptic number.

1236982560 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 1236982560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2250545472).

1236982560 is an abundant number, since it is smaller than the sum of its proper divisors (3264108384).

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

1236982560 is a wasteful number, since it uses less digits than its factorization.

1236982560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13827 (or 13819 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1236982560 is about 35170.7628578056. The cubic root of 1236982560 is about 1073.4649256334.

The spelling of 1236982560 in words is "one billion, two hundred thirty-six million, nine hundred eighty-two thousand, five hundred sixty".