1241868638 has 16 divisors (see below), whose sum is σ = 1917839616. Its totient is φ = 602766360.

The previous prime is 1241868637. The next prime is 1241868679. The reversal of 1241868638 is 8368681421.

It is a junction number, because it is equal to n+sod(n) for n = 1241868592 and 1241868601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241868637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30278 + ... + 58313.

It is an arithmetic number, because the mean of its divisors is an integer number (119864976).

Almost surely, 2^1241868638 is an apocalyptic number.

1241868638 is a deficient number, since it is larger than the sum of its proper divisors (675970978).

1241868638 is a wasteful number, since it uses less digits than its factorization.

1241868638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88799.

The product of its digits is 442368, while the sum is 47.

The square root of 1241868638 is about 35240.1566114568. The cubic root of 1241868638 is about 1074.8764633234.

The spelling of 1241868638 in words is "one billion, two hundred forty-one million, eight hundred sixty-eight thousand, six hundred thirty-eight".