1238097560 has 64 divisors (see below), whose sum is σ = 3193369920. Its totient is φ = 423198720.

The previous prime is 1238097557. The next prime is 1238097569. The reversal of 1238097560 is 657908321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238097569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87800 + ... + 100920.

It is an arithmetic number, because the mean of its divisors is an integer number (49896405).

Almost surely, 2^1238097560 is an apocalyptic number.

1238097560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238097560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596684960).

1238097560 is an abundant number, since it is smaller than the sum of its proper divisors (1955272360).

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

1238097560 is a wasteful number, since it uses less digits than its factorization.

1238097560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476 (or 13472 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1238097560 is about 35186.6105216175. The cubic root of 1238097560 is about 1073.7873645487.

The spelling of 1238097560 in words is "one billion, two hundred thirty-eight million, ninety-seven thousand, five hundred sixty".