1442861 has 4 divisors (see below), whose sum is σ = 1648992. Its totient is φ = 1236732.

The previous prime is 1442849. The next prime is 1442863. The reversal of 1442861 is 1682441.

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: 1682441 = 61 ⋅27581.

It is not a de Polignac number, because 1442861 - 2⁶ = 1442797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103055 + ... + 103068.

It is an arithmetic number, because the mean of its divisors is an integer number (412248).

2^1442861 is an apocalyptic number.

It is an amenable number.

1442861 is a deficient number, since it is larger than the sum of its proper divisors (206131).

1442861 is an equidigital number, since it uses as much as digits as its factorization.

1442861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206130.

The product of its digits is 1536, while the sum is 26.

The square root of 1442861 is about 1201.1914918114. The cubic root of 1442861 is about 112.9990602162. Note that the first 3 decimals are identical.

It can be divided in two parts, 14 and 42861, that added together give a cube (42875 = 35³).

The spelling of 1442861 in words is "one million, four hundred forty-two thousand, eight hundred sixty-one".