1403043242 has 8 divisors (see below), whose sum is σ = 2144273796. Its totient is φ = 688285312.

The previous prime is 1403043241. The next prime is 1403043251. The reversal of 1403043242 is 2423403041.

It can be written as a sum of positive squares in 2 ways, for example, as 1193633401 + 209409841 = 34549^2 + 14471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1403043241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6618023 + ... + 6618234.

Almost surely, 2^1403043242 is an apocalyptic number.

1403043242 is a deficient number, since it is larger than the sum of its proper divisors (741230554).

1403043242 is a wasteful number, since it uses less digits than its factorization.

1403043242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13236312.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1403043242 is about 37457.2188236126. The cubic root of 1403043242 is about 1119.4989366893.

Adding to 1403043242 its reverse (2423403041), we get a palindrome (3826446283).

The spelling of 1403043242 in words is "one billion, four hundred three million, forty-three thousand, two hundred forty-two".