1240103211 has 32 divisors (see below), whose sum is σ = 1737615360. Its totient is φ = 785925504.

The previous prime is 1240103209. The next prime is 1240103231. The reversal of 1240103211 is 1123010421.

It is not a de Polignac number, because 1240103211 - 2¹ = 1240103209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240103231) 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 31 ways as a sum of consecutive naturals, for example, 902521 + ... + 903893.

It is an arithmetic number, because the mean of its divisors is an integer number (54300480).

Almost surely, 2^1240103211 is an apocalyptic number.

1240103211 is a deficient number, since it is larger than the sum of its proper divisors (497512149).

1240103211 is a wasteful number, since it uses less digits than its factorization.

1240103211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1240103211 is about 35215.0991905461. The cubic root of 1240103211 is about 1074.3668775285.

Adding to 1240103211 its reverse (1123010421), we get a palindrome (2363113632).

The spelling of 1240103211 in words is "one billion, two hundred forty million, one hundred three thousand, two hundred eleven".