3135123287 has 4 divisors (see below), whose sum is σ = 3135289560. Its totient is φ = 3134957016.

The previous prime is 3135123269. The next prime is 3135123293. The reversal of 3135123287 is 7823215313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3135123287 - 2⁶ = 3135123223 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 (3135123587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50612 + ... + 93977.

It is an arithmetic number, because the mean of its divisors is an integer number (783822390).

Almost surely, 2^3135123287 is an apocalyptic number.

3135123287 is a deficient number, since it is larger than the sum of its proper divisors (166273).

3135123287 is a wasteful number, since it uses less digits than its factorization.

3135123287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166272.

The product of its digits is 30240, while the sum is 35.

The square root of 3135123287 is about 55992.1716581881. The cubic root of 3135123287 is about 1463.5858698980.

The spelling of 3135123287 in words is "three billion, one hundred thirty-five million, one hundred twenty-three thousand, two hundred eighty-seven".