1402122243 has 16 divisors (see below), whose sum is σ = 1980222336. Its totient is φ = 879427200.

The previous prime is 1402122229. The next prime is 1402122259. The reversal of 1402122243 is 3422212041.

It is a de Polignac number, because none of the positive numbers 2^k-1402122243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402122203) 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, 254880 + ... + 260322.

It is an arithmetic number, because the mean of its divisors is an integer number (123763896).

Almost surely, 2^1402122243 is an apocalyptic number.

1402122243 is a deficient number, since it is larger than the sum of its proper divisors (578100093).

1402122243 is a wasteful number, since it uses less digits than its factorization.

1402122243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1402122243 is about 37444.9227933508. The cubic root of 1402122243 is about 1119.2539256880.

Adding to 1402122243 its reverse (3422212041), we get a palindrome (4824334284).

The spelling of 1402122243 in words is "one billion, four hundred two million, one hundred twenty-two thousand, two hundred forty-three".