1142361 has 18 divisors (see below), whose sum is σ = 1815450. Its totient is φ = 691680.

The previous prime is 1142359. The next prime is 1142363. The reversal of 1142361 is 1632411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1142359) and next prime (1142363).

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 27225 = 1056^2 + 165^2 .

It is not a de Polignac number, because 1142361 - 2¹ = 1142359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142363) 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 in 17 ways as a sum of consecutive naturals, for example, 565 + ... + 1613.

2^1142361 is an apocalyptic number.

1142361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1142361 is a deficient number, since it is larger than the sum of its proper divisors (673089).

1142361 is a wasteful number, since it uses less digits than its factorization.

1142361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1063 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1142361 is about 1068.8128928863. The cubic root of 1142361 is about 104.5364600385.

Adding to 1142361 its reverse (1632411), we get a palindrome (2774772).

The spelling of 1142361 in words is "one million, one hundred forty-two thousand, three hundred sixty-one".