1402543124 has 12 divisors (see below), whose sum is σ = 2539086900. Its totient is φ = 677089728.

The previous prime is 1402543111. The next prime is 1402543139. The reversal of 1402543124 is 4213452041.

It can be written as a sum of positive squares in 2 ways, for example, as 952339600 + 450203524 = 30860^2 + 21218^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1402543093 and 1402543102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6045329 + ... + 6045560.

It is an arithmetic number, because the mean of its divisors is an integer number (211590575).

Almost surely, 2^1402543124 is an apocalyptic number.

It is an amenable number.

1402543124 is a deficient number, since it is larger than the sum of its proper divisors (1136543776).

1402543124 is a wasteful number, since it uses less digits than its factorization.

1402543124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12090922 (or 12090920 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1402543124 is about 37450.5423725745. The cubic root of 1402543124 is about 1119.3659048888.

Adding to 1402543124 its reverse (4213452041), we get a palindrome (5615995165).

The spelling of 1402543124 in words is "one billion, four hundred two million, five hundred forty-three thousand, one hundred twenty-four".