1240311052 has 12 divisors (see below), whose sum is σ = 2189753496. Its totient is φ = 614667200.

The previous prime is 1240311029. The next prime is 1240311053. The reversal of 1240311052 is 2501130421.

It is not an unprimeable number, because it can be changed into a prime (1240311053) 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, 1371574 + ... + 1372477.

It is an arithmetic number, because the mean of its divisors is an integer number (182479458).

Almost surely, 2^1240311052 is an apocalyptic number.

It is an amenable number.

1240311052 is a deficient number, since it is larger than the sum of its proper divisors (949442444).

1240311052 is a wasteful number, since it uses less digits than its factorization.

1240311052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744168 (or 2744166 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1240311052 is about 35218.0500879876. The cubic root of 1240311052 is about 1074.4268953858.

Adding to 1240311052 its reverse (2501130421), we get a palindrome (3741441473).

The spelling of 1240311052 in words is "one billion, two hundred forty million, three hundred eleven thousand, fifty-two".