1238001238 has 16 divisors (see below), whose sum is σ = 1878607440. Its totient is φ = 611820000.

The previous prime is 1238001229. The next prime is 1238001257. The reversal of 1238001238 is 8321008321.

It is a congruent number.

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, 120088 + ... + 129988.

It is an arithmetic number, because the mean of its divisors is an integer number (117412965).

Almost surely, 2^1238001238 is an apocalyptic number.

1238001238 is a deficient number, since it is larger than the sum of its proper divisors (640606202).

1238001238 is a wasteful number, since it uses less digits than its factorization.

1238001238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10623.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1238001238 is about 35185.2417641260. The cubic root of 1238001238 is about 1073.7595175163.

Adding to 1238001238 its reverse (8321008321), we get a palindrome (9559009559).

It can be divided in two parts, 123800 and 1238, that multiplied together give a square (153264400 = 12380²).

The spelling of 1238001238 in words is "one billion, two hundred thirty-eight million, one thousand, two hundred thirty-eight".