1442402 has 16 divisors (see below), whose sum is σ = 2411640. Its totient is φ = 642432.

The previous prime is 1442393. The next prime is 1442411. The reversal of 1442402 is 2042441.

It is a Cunningham number, because it is equal to 1201²+1.

It is an interprime number because it is at equal distance from previous prime (1442393) and next prime (1442411).

It can be written as a sum of positive squares in 4 ways, for example, as 1256641 + 185761 = 1121^2 + 431^2 .

It is an unprimeable number.

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, 203 + ... + 1710.

2^1442402 is an apocalyptic number.

1442402 is a deficient number, since it is larger than the sum of its proper divisors (969238).

1442402 is a wasteful number, since it uses less digits than its factorization.

1442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1442402 is about 1201.0004163197. Note that the first 3 decimals coincide. The cubic root of 1442402 is about 112.9870766018.

Adding to 1442402 its reverse (2042441), we get a palindrome (3484843).

The spelling of 1442402 in words is "one million, four hundred forty-two thousand, four hundred two".