1240320103 has 8 divisors (see below), whose sum is σ = 1411906176. Its totient is φ = 1078539000.

The previous prime is 1240320101. The next prime is 1240320121. The reversal of 1240320103 is 3010230421.

It is a happy number.

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

It is not a de Polignac number, because 1240320103 - 2¹ = 1240320101 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 (1240320101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2450973 + ... + 2451478.

It is an arithmetic number, because the mean of its divisors is an integer number (176488272).

Almost surely, 2^1240320103 is an apocalyptic number.

1240320103 is a deficient number, since it is larger than the sum of its proper divisors (171586073).

1240320103 is a wasteful number, since it uses less digits than its factorization.

1240320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902485.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1240320103 is about 35218.1785872012. The cubic root of 1240320103 is about 1074.4295088738.

Adding to 1240320103 its reverse (3010230421), we get a palindrome (4250550524).

The spelling of 1240320103 in words is "one billion, two hundred forty million, three hundred twenty thousand, one hundred three".