1161374 has 4 divisors (see below), whose sum is σ = 1742064. Its totient is φ = 580686.

The previous prime is 1161371. The next prime is 1161397. The reversal of 1161374 is 4731611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161371) by changing a digit.

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, 290342 + ... + 290345.

It is an arithmetic number, because the mean of its divisors is an integer number (435516).

2^1161374 is an apocalyptic number.

1161374 is a deficient number, since it is larger than the sum of its proper divisors (580690).

1161374 is an equidigital number, since it uses as much as digits as its factorization.

1161374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580689.

The product of its digits is 504, while the sum is 23.

The square root of 1161374 is about 1077.6706361407. The cubic root of 1161374 is about 105.1132263095.

Adding to 1161374 its reverse (4731611), we get a palindrome (5892985).

The spelling of 1161374 in words is "one million, one hundred sixty-one thousand, three hundred seventy-four".