1236240364 has 24 divisors (see below), whose sum is σ = 2222640000. Its totient is φ = 601288320.

The previous prime is 1236240359. The next prime is 1236240371. The reversal of 1236240364 is 4630426321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46437 + ... + 68035.

It is an arithmetic number, because the mean of its divisors is an integer number (92610000).

Almost surely, 2^1236240364 is an apocalyptic number.

It is an amenable number.

1236240364 is a deficient number, since it is larger than the sum of its proper divisors (986399636).

1236240364 is a wasteful number, since it uses less digits than its factorization.

1236240364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21993 (or 21991 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 1236240364 is about 35160.2099538669. The cubic root of 1236240364 is about 1073.2501878248.

Adding to 1236240364 its reverse (4630426321), we get a palindrome (5866666685).

The spelling of 1236240364 in words is "one billion, two hundred thirty-six million, two hundred forty thousand, three hundred sixty-four".