1147061 has 4 divisors (see below), whose sum is σ = 1152300. Its totient is φ = 1141824.

The previous prime is 1147051. The next prime is 1147067. The reversal of 1147061 is 1607411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 844561 + 302500 = 919^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147061 - 2¹⁰ = 1146037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276 + ... + 2733.

It is an arithmetic number, because the mean of its divisors is an integer number (288075).

2^1147061 is an apocalyptic number.

It is an amenable number.

1147061 is a deficient number, since it is larger than the sum of its proper divisors (5239).

1147061 is an equidigital number, since it uses as much as digits as its factorization.

1147061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1147061 is about 1071.0093370275. The cubic root of 1147061 is about 104.6796281747.

Subtracting from 1147061 its sum of digits (20), we obtain a square (1147041 = 1071²).

The spelling of 1147061 in words is "one million, one hundred forty-seven thousand, sixty-one".