1238164242 has 96 divisors (see below), whose sum is σ = 3015903744. Its totient is φ = 337478400.

The previous prime is 1238164237. The next prime is 1238164259. The reversal of 1238164242 is 2424618321.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 664392 + ... + 666252.

It is an arithmetic number, because the mean of its divisors is an integer number (31415664).

Almost surely, 2^1238164242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238164242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507951872).

1238164242 is an abundant number, since it is smaller than the sum of its proper divisors (1777739502).

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

1238164242 is a wasteful number, since it uses less digits than its factorization.

1238164242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984 (or 1977 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 1238164242 is about 35187.5580567905. The cubic root of 1238164242 is about 1073.8066417059.

The spelling of 1238164242 in words is "one billion, two hundred thirty-eight million, one hundred sixty-four thousand, two hundred forty-two".