1238170752 has 512 divisors, whose sum is σ = 4679270400. Its totient is φ = 313528320.

The previous prime is 1238170751. The next prime is 1238170771. The reversal of 1238170752 is 2570718321.

It is a super-2 number, since 2×1238170752² = 3066133622216491008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1238170751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9749313 + ... + 9749439.

It is an arithmetic number, because the mean of its divisors is an integer number (9139200).

Almost surely, 2^1238170752 is an apocalyptic number.

1238170752 is a gapful number since it is divisible by the number (12) 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 1238170752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2339635200).

1238170752 is an abundant number, since it is smaller than the sum of its proper divisors (3441099648).

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

1238170752 is a wasteful number, since it uses less digits than its factorization.

1238170752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 1238170752 is about 35187.6505609568. The cubic root of 1238170752 is about 1073.8085236503.

The spelling of 1238170752 in words is "one billion, two hundred thirty-eight million, one hundred seventy thousand, seven hundred fifty-two".