1161764 has 6 divisors (see below), whose sum is σ = 2033094. Its totient is φ = 580880.

The previous prime is 1161761. The next prime is 1161767. The reversal of 1161764 is 4671611.

It is an interprime number because it is at equal distance from previous prime (1161761) and next prime (1161767).

It can be written as a sum of positive squares in only one way, i.e., 792100 + 369664 = 890^2 + 608^2 .

It is a super-3 number, since 3×1161764³ = 4704083248173335232, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1161761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145217 + ... + 145224.

It is an arithmetic number, because the mean of its divisors is an integer number (338849).

2^1161764 is an apocalyptic number.

It is an amenable number.

1161764 is a deficient number, since it is larger than the sum of its proper divisors (871330).

1161764 is a wasteful number, since it uses less digits than its factorization.

1161764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290445 (or 290443 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 1161764 is about 1077.8515667753. The cubic root of 1161764 is about 105.1249909866.

The spelling of 1161764 in words is "one million, one hundred sixty-one thousand, seven hundred sixty-four".