1142461 has 4 divisors (see below), whose sum is σ = 1158624. Its totient is φ = 1126300.

The previous prime is 1142431. The next prime is 1142473. The reversal of 1142461 is 1642411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1642411 = 31 ⋅52981.

It is a cyclic number.

It is not a de Polignac number, because 1142461 - 2⁷ = 1142333 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 (1142431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7975 + ... + 8116.

It is an arithmetic number, because the mean of its divisors is an integer number (289656).

2^1142461 is an apocalyptic number.

It is an amenable number.

1142461 is a deficient number, since it is larger than the sum of its proper divisors (16163).

1142461 is an equidigital number, since it uses as much as digits as its factorization.

1142461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16162.

The product of its digits is 192, while the sum is 19.

The square root of 1142461 is about 1068.8596727354. The cubic root of 1142461 is about 104.5395102538.

Adding to 1142461 its reverse (1642411), we get a palindrome (2784872).

The spelling of 1142461 in words is "one million, one hundred forty-two thousand, four hundred sixty-one".