1240124042 has 64 divisors (see below), whose sum is σ = 2058566400. Its totient is φ = 558835200.

The previous prime is 1240124033. The next prime is 1240124057. The reversal of 1240124042 is 2404210421.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8212667 + ... + 8212817.

It is an arithmetic number, because the mean of its divisors is an integer number (32165100).

Almost surely, 2^1240124042 is an apocalyptic number.

1240124042 is a deficient number, since it is larger than the sum of its proper divisors (818442358).

1240124042 is a wasteful number, since it uses less digits than its factorization.

1240124042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1240124042 is about 35215.3949573194. The cubic root of 1240124042 is about 1074.3728931598.

Adding to 1240124042 its reverse (2404210421), we get a palindrome (3644334463).

The spelling of 1240124042 in words is "one billion, two hundred forty million, one hundred twenty-four thousand, forty-two".