1948130287 has 8 divisors (see below), whose sum is σ = 2051371760. Its totient is φ = 1844959680.

The previous prime is 1948130279. The next prime is 1948130297. The reversal of 1948130287 is 7820318491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1948130287 - 2³ = 1948130279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948130237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44323 + ... + 76555.

It is an arithmetic number, because the mean of its divisors is an integer number (256421470).

Almost surely, 2^1948130287 is an apocalyptic number.

1948130287 is a deficient number, since it is larger than the sum of its proper divisors (103241473).

1948130287 is a wasteful number, since it uses less digits than its factorization.

1948130287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35433.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1948130287 is about 44137.6289236293. The cubic root of 1948130287 is about 1248.9335516357.

The spelling of 1948130287 in words is "one billion, nine hundred forty-eight million, one hundred thirty thousand, two hundred eighty-seven".