10402143 has 16 divisors (see below), whose sum is σ = 14708736. Its totient is φ = 6527520.

The previous prime is 10402129. The next prime is 10402153. The reversal of 10402143 is 34120401.

It is not a de Polignac number, because 10402143 - 2⁸ = 10401887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10402103) 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, 1930 + ... + 4952.

It is an arithmetic number, because the mean of its divisors is an integer number (919296).

Almost surely, 2^10402143 is an apocalyptic number.

10402143 is a deficient number, since it is larger than the sum of its proper divisors (4306593).

10402143 is a wasteful number, since it uses less digits than its factorization.

10402143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3094.

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

The square root of 10402143 is about 3225.2353402504. The cubic root of 10402143 is about 218.2935682425.

Adding to 10402143 its reverse (34120401), we get a palindrome (44522544).

The spelling of 10402143 in words is "ten million, four hundred two thousand, one hundred forty-three".