421237103 has 8 divisors (see below), whose sum is σ = 481951872. Its totient is φ = 360656856.

The previous prime is 421237099. The next prime is 421237127. The reversal of 421237103 is 301732124.

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

It is not a de Polignac number, because 421237103 - 2² = 421237099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421237133) 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, 26825 + ... + 39522.

It is an arithmetic number, because the mean of its divisors is an integer number (60243984).

Almost surely, 2^421237103 is an apocalyptic number.

421237103 is a deficient number, since it is larger than the sum of its proper divisors (60714769).

421237103 is an equidigital number, since it uses as much as digits as its factorization.

421237103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67261.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 421237103 is about 20524.0615619813. The cubic root of 421237103 is about 749.6217962776.

Adding to 421237103 its reverse (301732124), we get a palindrome (722969227).

The spelling of 421237103 in words is "four hundred twenty-one million, two hundred thirty-seven thousand, one hundred three".