1869125080 has 16 divisors (see below), whose sum is σ = 4205531520. Its totient is φ = 747650016.

The previous prime is 1869125053. The next prime is 1869125087. The reversal of 1869125080 is 805219681.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 46728127 = 1869125080 / (1 + 8 + 6 + 9 + 1 + 2 + 5 + 0 + 8 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1869125087) 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 3 ways as a sum of consecutive naturals, for example, 23364024 + ... + 23364103.

It is an arithmetic number, because the mean of its divisors is an integer number (262845720).

Almost surely, 2^1869125080 is an apocalyptic number.

1869125080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1869125080 is an abundant number, since it is smaller than the sum of its proper divisors (2336406440).

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

1869125080 is a wasteful number, since it uses less digits than its factorization.

1869125080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46728138 (or 46728134 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 1869125080 is about 43233.3792341057. The cubic root of 1869125080 is about 1231.8167964919.

The spelling of 1869125080 in words is "one billion, eight hundred sixty-nine million, one hundred twenty-five thousand, eighty".