1240102434 has 32 divisors (see below), whose sum is σ = 2697083136. Its totient is φ = 378535680.

The previous prime is 1240102433. The next prime is 1240102463. The reversal of 1240102434 is 4342010421.

It is a self number, because there is not a number n which added to its sum of digits gives 1240102434.

It is not an unprimeable number, because it can be changed into a prime (1240102433) 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, 160522 + ... + 168069.

It is an arithmetic number, because the mean of its divisors is an integer number (84283848).

Almost surely, 2^1240102434 is an apocalyptic number.

1240102434 is an abundant number, since it is smaller than the sum of its proper divisors (1456980702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240102434 is a wasteful number, since it uses less digits than its factorization.

1240102434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328650.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1240102434 is about 35215.0881583449. The cubic root of 1240102434 is about 1074.3666531431.

Adding to 1240102434 its reverse (4342010421), we get a palindrome (5582112855).

The spelling of 1240102434 in words is "one billion, two hundred forty million, one hundred two thousand, four hundred thirty-four".