1942127538 has 32 divisors (see below), whose sum is σ = 4192195392. Its totient is φ = 596270400.

The previous prime is 1942127533. The next prime is 1942127543. The reversal of 1942127538 is 8357212491.

It is an interprime number because it is at equal distance from previous prime (1942127533) and next prime (1942127543).

It is a self number, because there is not a number n which added to its sum of digits gives 1942127538.

It is not an unprimeable number, because it can be changed into a prime (1942127533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8953 + ... + 62963.

It is an arithmetic number, because the mean of its divisors is an integer number (131006106).

Almost surely, 2^1942127538 is an apocalyptic number.

1942127538 is an abundant number, since it is smaller than the sum of its proper divisors (2250067854).

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

1942127538 is a wasteful number, since it uses less digits than its factorization.

1942127538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54490.

The product of its digits is 120960, while the sum is 42.

The square root of 1942127538 is about 44069.5761041560. The cubic root of 1942127538 is about 1247.6494575038.

The spelling of 1942127538 in words is "one billion, nine hundred forty-two million, one hundred twenty-seven thousand, five hundred thirty-eight".