123881395 has 8 divisors (see below), whose sum is σ = 162172080. Its totient is φ = 90095520.

The previous prime is 123881383. The next prime is 123881399. The reversal of 123881395 is 593188321.

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

It is not a de Polignac number, because 123881395 - 2⁷ = 123881267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123881399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126140 + ... + 1126249.

It is an arithmetic number, because the mean of its divisors is an integer number (20271510).

Almost surely, 2^123881395 is an apocalyptic number.

123881395 is a deficient number, since it is larger than the sum of its proper divisors (38290685).

123881395 is a wasteful number, since it uses less digits than its factorization.

123881395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252405.

The product of its digits is 51840, while the sum is 40.

The square root of 123881395 is about 11130.2019298843. The cubic root of 123881395 is about 498.5040554300.

The spelling of 123881395 in words is "one hundred twenty-three million, eight hundred eighty-one thousand, three hundred ninety-five".