1163146 has 4 divisors (see below), whose sum is σ = 1744722. Its totient is φ = 581572.

The previous prime is 1163143. The next prime is 1163147. The reversal of 1163146 is 6413611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6413611 = 29 ⋅221159.

It can be written as a sum of positive squares in only one way, i.e., 950625 + 212521 = 975^2 + 461^2 .

It is not an unprimeable number, because it can be changed into a prime (1163143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290785 + ... + 290788.

2^1163146 is an apocalyptic number.

1163146 is a deficient number, since it is larger than the sum of its proper divisors (581576).

1163146 is an equidigital number, since it uses as much as digits as its factorization.

1163146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581575.

The product of its digits is 432, while the sum is 22.

The square root of 1163146 is about 1078.4924663622. The cubic root of 1163146 is about 105.1666589925.

Adding to 1163146 its reverse (6413611), we get a palindrome (7576757).

The spelling of 1163146 in words is "one million, one hundred sixty-three thousand, one hundred forty-six".