103424642 has 4 divisors (see below), whose sum is σ = 155136966. Its totient is φ = 51712320.

The previous prime is 103424627. The next prime is 103424653. The reversal of 103424642 is 246424301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 246424301 = 31 ⋅7949171.

It can be written as a sum of positive squares in only one way, i.e., 87030241 + 16394401 = 9329^2 + 4049^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25856159 + ... + 25856162.

Almost surely, 2^103424642 is an apocalyptic number.

103424642 is a deficient number, since it is larger than the sum of its proper divisors (51712324).

103424642 is an equidigital number, since it uses as much as digits as its factorization.

103424642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51712323.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 103424642 is about 10169.7906566458. The cubic root of 103424642 is about 469.3981159275.

Adding to 103424642 its reverse (246424301), we get a palindrome (349848943).

The spelling of 103424642 in words is "one hundred three million, four hundred twenty-four thousand, six hundred forty-two".