1240110042 has 16 divisors (see below), whose sum is σ = 2499750912. Its totient is φ = 410114880.

The previous prime is 1240110041. The next prime is 1240110049. The reversal of 1240110042 is 2400110421.

It is not an unprimeable number, because it can be changed into a prime (1240110041) 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, 812959 + ... + 814482.

It is an arithmetic number, because the mean of its divisors is an integer number (156234432).

Almost surely, 2^1240110042 is an apocalyptic number.

1240110042 is an abundant number, since it is smaller than the sum of its proper divisors (1259640870).

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

1240110042 is a wasteful number, since it uses less digits than its factorization.

1240110042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627573.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1240110042 is about 35215.1961800584. The cubic root of 1240110042 is about 1074.3688502102.

Adding to 1240110042 its reverse (2400110421), we get a palindrome (3640220463).

The spelling of 1240110042 in words is "one billion, two hundred forty million, one hundred ten thousand, forty-two".