1238158071024 has 80 divisors (see below), whose sum is σ = 3656736192000. Its totient is φ = 353641201920.

The previous prime is 1238158071011. The next prime is 1238158071061. The reversal of 1238158071024 is 4201708518321.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393294 + ... + 1622034.

It is an arithmetic number, because the mean of its divisors is an integer number (45709202400).

Almost surely, 2^{1238158071024} is an apocalyptic number.

1238158071024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1238158071024 is an abundant number, since it is smaller than the sum of its proper divisors (2418578120976).

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

1238158071024 is a wasteful number, since it uses less digits than its factorization.

1238158071024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231758 (or 1231752 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The spelling of 1238158071024 in words is "one trillion, two hundred thirty-eight billion, one hundred fifty-eight million, seventy-one thousand, twenty-four".