123471078 has 16 divisors (see below), whose sum is σ = 254908416. Its totient is φ = 39829320.

The previous prime is 123471077. The next prime is 123471083. The reversal of 123471078 is 870174321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123471077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331726 + ... + 332097.

It is an arithmetic number, because the mean of its divisors is an integer number (15931776).

Almost surely, 2^123471078 is an apocalyptic number.

123471078 is an abundant number, since it is smaller than the sum of its proper divisors (131437338).

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

123471078 is a wasteful number, since it uses less digits than its factorization.

123471078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663859.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 123471078 is about 11111.7540469541. The cubic root of 123471078 is about 497.9530689149.

The spelling of 123471078 in words is "one hundred twenty-three million, four hundred seventy-one thousand, seventy-eight".