1131060960 has 72 divisors (see below), whose sum is σ = 3859750440. Its totient is φ = 301615872.

The previous prime is 1131060919. The next prime is 1131060967. The reversal of 1131060960 is 690601311.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1131060960² = 2558597790472243200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131060967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391290 + ... + 394169.

It is an arithmetic number, because the mean of its divisors is an integer number (53607645).

Almost surely, 2^1131060960 is an apocalyptic number.

1131060960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131060960 is an abundant number, since it is smaller than the sum of its proper divisors (2728689480).

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

1131060960 is a wasteful number, since it uses less digits than its factorization.

1131060960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785480 (or 785469 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1131060960 is about 33631.2497537632. The cubic root of 1131060960 is about 1041.9063162176.

The spelling of 1131060960 in words is "one billion, one hundred thirty-one million, sixty thousand, nine hundred sixty".