1165960 has 32 divisors (see below), whose sum is σ = 2658240. Its totient is φ = 460224.

The previous prime is 1165951. The next prime is 1165991. The reversal of 1165960 is 695611.

1165960 = T₉₆ + T₉₇ + ... + T₁₉₈.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3979 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (83070).

2^1165960 is an apocalyptic number.

1165960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165960 is an abundant number, since it is smaller than the sum of its proper divisors (1492280).

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

1165960 is a wasteful number, since it uses less digits than its factorization.

1165960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 1165960 is about 1079.7962770819. The cubic root of 1165960 is about 105.2514006167.

The spelling of 1165960 in words is "one million, one hundred sixty-five thousand, nine hundred sixty".