1151361 has 8 divisors (see below), whose sum is σ = 1705760. Its totient is φ = 767556.

The previous prime is 1151333. The next prime is 1151363. The reversal of 1151361 is 1631511.

It is not a de Polignac number, because 1151361 - 2⁷ = 1151233 is a prime.

It is a Duffinian number.

1151361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1151363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21295 + ... + 21348.

It is an arithmetic number, because the mean of its divisors is an integer number (213220).

2^1151361 is an apocalyptic number.

It is an amenable number.

1151361 is a deficient number, since it is larger than the sum of its proper divisors (554399).

1151361 is an equidigital number, since it uses as much as digits as its factorization.

1151361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42652 (or 42646 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 1151361 is about 1073.0149113596. The cubic root of 1151361 is about 104.8102696169.

Adding to 1151361 its reverse (1631511), we get a palindrome (2782872).

The spelling of 1151361 in words is "one million, one hundred fifty-one thousand, three hundred sixty-one".