1402143 has 16 divisors (see below), whose sum is σ = 2085120. Its totient is φ = 832896.

The previous prime is 1402129. The next prime is 1402147. The reversal of 1402143 is 3412041.

It is not a de Polignac number, because 1402143 - 2⁴ = 1402127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246 + ... + 1692.

It is an arithmetic number, because the mean of its divisors is an integer number (130320).

2^1402143 is an apocalyptic number.

1402143 is a deficient number, since it is larger than the sum of its proper divisors (682977).

1402143 is a wasteful number, since it uses less digits than its factorization.

1402143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1402143 is about 1184.1211931217. The cubic root of 1402143 is about 111.9259448801.

Adding to 1402143 its reverse (3412041), we get a palindrome (4814184).

The spelling of 1402143 in words is "one million, four hundred two thousand, one hundred forty-three".