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1161064 = 23145133
BaseRepresentation
bin100011011011101101000
32011222200101
410123131220
5244123224
640515144
712604012
oct4333550
92158611
101161064
11723363
1247bab4
13318628
142231b2
1517e044
hex11b768

1161064 has 8 divisors (see below), whose sum is σ = 2177010. Its totient is φ = 580528.

The previous prime is 1161059. The next prime is 1161077. The reversal of 1161064 is 4601611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 58564 = 1050^2 + 242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11610642 = 2696139224192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72559 + ... + 72574.

21161064 is an apocalyptic number.

It is an amenable number.

1161064 is a deficient number, since it is larger than the sum of its proper divisors (1015946).

1161064 is a wasteful number, since it uses less digits than its factorization.

1161064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145139 (or 145135 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1161064 is about 1077.5267978106. The cubic root of 1161064 is about 105.1038730205.

Adding to 1161064 its reverse (4601611), we get a palindrome (5762675).

It can be divided in two parts, 11 and 61064, that added together give a triangular number (61075 = T349).

The spelling of 1161064 in words is "one million, one hundred sixty-one thousand, sixty-four".

Divisors: 1 2 4 8 145133 290266 580532 1161064