1238901006 has 24 divisors (see below), whose sum is σ = 2882341800. Its totient is φ = 353971632.

The previous prime is 1238900981. The next prime is 1238901029. The reversal of 1238901006 is 6001098321.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2106681 + ... + 2107268.

It is an arithmetic number, because the mean of its divisors is an integer number (120097575).

Almost surely, 2^1238901006 is an apocalyptic number.

1238901006 is an abundant number, since it is smaller than the sum of its proper divisors (1643440794).

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

1238901006 is a wasteful number, since it uses less digits than its factorization.

1238901006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213968 (or 4213961 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1238901006 is about 35198.0255980360. The cubic root of 1238901006 is about 1074.0195873932.

Adding to 1238901006 its reverse (6001098321), we get a palindrome (7239999327).

The spelling of 1238901006 in words is "one billion, two hundred thirty-eight million, nine hundred one thousand, six".