123881154058 has 8 divisors (see below), whose sum is σ = 185824377828. Its totient is φ = 61939694784.

The previous prime is 123881154037. The next prime is 123881154073. The reversal of 123881154058 is 850451188321.

It can be written as a sum of positive squares in 2 ways, for example, as 120536035489 + 3345118569 = 347183^2 + 57837^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 123881153999 and 123881154017.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 248841 + ... + 556492.

Almost surely, 2^123881154058 is an apocalyptic number.

123881154058 is a deficient number, since it is larger than the sum of its proper divisors (61943223770).

123881154058 is an equidigital number, since it uses as much as digits as its factorization.

123881154058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882248.

The product of its (nonzero) digits is 307200, while the sum is 46.

The spelling of 123881154058 in words is "one hundred twenty-three billion, eight hundred eighty-one million, one hundred fifty-four thousand, fifty-eight".