1402454 has 4 divisors (see below), whose sum is σ = 2103684. Its totient is φ = 701226.

The previous prime is 1402439. The next prime is 1402459. The reversal of 1402454 is 4542041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4542041 = 7 ⋅648863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402459) 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 as a sum of consecutive naturals, namely, 350612 + ... + 350615.

It is an arithmetic number, because the mean of its divisors is an integer number (525921).

2^1402454 is an apocalyptic number.

1402454 is a deficient number, since it is larger than the sum of its proper divisors (701230).

1402454 is an equidigital number, since it uses as much as digits as its factorization.

1402454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701229.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1402454 is about 1184.2525068582. The cubic root of 1402454 is about 111.9342194511.

Adding to 1402454 its reverse (4542041), we get a palindrome (5944495).

The spelling of 1402454 in words is "one million, four hundred two thousand, four hundred fifty-four".