1081707264 has 288 divisors, whose sum is σ = 3585012480. Its totient is φ = 318873600.

The previous prime is 1081707257. The next prime is 1081707271. The reversal of 1081707264 is 4627071801.

It is an interprime number because it is at equal distance from previous prime (1081707257) and next prime (1081707271).

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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3117139 + ... + 3117485.

It is an arithmetic number, because the mean of its divisors is an integer number (12447960).

Almost surely, 2^1081707264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081707264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792506240).

1081707264 is an abundant number, since it is smaller than the sum of its proper divisors (2503305216).

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

1081707264 is a wasteful number, since it uses less digits than its factorization.

1081707264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 1081707264 is about 32889.3183875860. The cubic root of 1081707264 is about 1026.5259093774.

The spelling of 1081707264 in words is "one billion, eighty-one million, seven hundred seven thousand, two hundred sixty-four".