1906125888 has 28 divisors (see below), whose sum is σ = 5043291920. Its totient is φ = 635375232.

The previous prime is 1906125883. The next prime is 1906125889. The reversal of 1906125888 is 8885216091.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1906125883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4963678 + ... + 4964061.

Almost surely, 2^1906125888 is an apocalyptic number.

It is an amenable number.

1906125888 is an abundant number, since it is smaller than the sum of its proper divisors (3137166032).

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

1906125888 is an equidigital number, since it uses as much as digits as its factorization.

1906125888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9927754 (or 9927744 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 48.

The square root of 1906125888 is about 43659.2016418074. The cubic root of 1906125888 is about 1239.8920058567.

The spelling of 1906125888 in words is "one billion, nine hundred six million, one hundred twenty-five thousand, eight hundred eighty-eight".