1402543122 has 16 divisors (see below), whose sum is σ = 2807034240. Its totient is φ = 467189712.

The previous prime is 1402543111. The next prime is 1402543139. The reversal of 1402543122 is 2213452041.

It is a junction number, because it is equal to n+sod(n) for n = 1402543092 and 1402543101.

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 7 ways as a sum of consecutive naturals, for example, 71722 + ... + 89157.

It is an arithmetic number, because the mean of its divisors is an integer number (175439640).

Almost surely, 2^1402543122 is an apocalyptic number.

1402543122 is an abundant number, since it is smaller than the sum of its proper divisors (1404491118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402543122 is a wasteful number, since it uses less digits than its factorization.

1402543122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162337.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1402543122 is about 37450.5423458726. The cubic root of 1402543122 is about 1119.3659043567.

Adding to 1402543122 its reverse (2213452041), we get a palindrome (3615995163).

The spelling of 1402543122 in words is "one billion, four hundred two million, five hundred forty-three thousand, one hundred twenty-two".