1240130434 has 8 divisors (see below), whose sum is σ = 1865265408. Its totient is φ = 618375300.

The previous prime is 1240130431. The next prime is 1240130447. The reversal of 1240130434 is 4340310421.

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

It is not an unprimeable number, because it can be changed into a prime (1240130431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844042 + ... + 845509.

It is an arithmetic number, because the mean of its divisors is an integer number (233158176).

Almost surely, 2^1240130434 is an apocalyptic number.

1240130434 is a deficient number, since it is larger than the sum of its proper divisors (625134974).

1240130434 is a wasteful number, since it uses less digits than its factorization.

1240130434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689920.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1240130434 is about 35215.4857129644. The cubic root of 1240130434 is about 1074.3747390450.

Adding to 1240130434 its reverse (4340310421), we get a palindrome (5580440855).

The spelling of 1240130434 in words is "one billion, two hundred forty million, one hundred thirty thousand, four hundred thirty-four".