1240334043 has 16 divisors (see below), whose sum is σ = 1781937696. Its totient is φ = 762877440.

The previous prime is 1240334023. The next prime is 1240334047. The reversal of 1240334043 is 3404330421.

It is not a de Polignac number, because 1240334043 - 2⁹ = 1240333531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240334047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76921 + ... + 91637.

It is an arithmetic number, because the mean of its divisors is an integer number (111371106).

Almost surely, 2^1240334043 is an apocalyptic number.

1240334043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1240334043 is a deficient number, since it is larger than the sum of its proper divisors (541603653).

1240334043 is a wasteful number, since it uses less digits than its factorization.

1240334043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16894.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1240334043 is about 35218.3764958012. The cubic root of 1240334043 is about 1074.4335340420.

Adding to 1240334043 its reverse (3404330421), we get a palindrome (4644664464).

The spelling of 1240334043 in words is "one billion, two hundred forty million, three hundred thirty-four thousand, forty-three".