103421442 has 16 divisors (see below), whose sum is σ = 208674720. Its totient is φ = 34168512.

The previous prime is 103421429. The next prime is 103421443. The reversal of 103421442 is 244124301.

It is not an unprimeable number, because it can be changed into a prime (103421443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75592 + ... + 76947.

It is an arithmetic number, because the mean of its divisors is an integer number (13042170).

Almost surely, 2^103421442 is an apocalyptic number.

103421442 is an abundant number, since it is smaller than the sum of its proper divisors (105253278).

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

103421442 is a wasteful number, since it uses less digits than its factorization.

103421442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152657.

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

The square root of 103421442 is about 10169.6333267232. The cubic root of 103421442 is about 469.3932747555.

Adding to 103421442 its reverse (244124301), we get a palindrome (347545743).

The spelling of 103421442 in words is "one hundred three million, four hundred twenty-one thousand, four hundred forty-two".