1002434542 has 4 divisors (see below), whose sum is σ = 1503651816. Its totient is φ = 501217270.

The previous prime is 1002434483. The next prime is 1002434549. The reversal of 1002434542 is 2454342001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002434549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250608634 + ... + 250608637.

It is an arithmetic number, because the mean of its divisors is an integer number (375912954).

Almost surely, 2^1002434542 is an apocalyptic number.

1002434542 is a deficient number, since it is larger than the sum of its proper divisors (501217274).

1002434542 is an equidigital number, since it uses as much as digits as its factorization.

1002434542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501217273.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1002434542 is about 31661.2466905522. The cubic root of 1002434542 is about 1000.8108563343.

Adding to 1002434542 its reverse (2454342001), we get a palindrome (3456776543).

The spelling of 1002434542 in words is "one billion, two million, four hundred thirty-four thousand, five hundred forty-two".