123971874 has 32 divisors (see below), whose sum is σ = 268833600. Its totient is φ = 37885632.

The previous prime is 123971873. The next prime is 123971879. The reversal of 123971874 is 478179321.

It is not an unprimeable number, because it can be changed into a prime (123971873) 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 15 ways as a sum of consecutive naturals, for example, 6289 + ... + 16955.

It is an arithmetic number, because the mean of its divisors is an integer number (8401050).

Almost surely, 2^123971874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123971874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134416800).

123971874 is an abundant number, since it is smaller than the sum of its proper divisors (144861726).

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

123971874 is a wasteful number, since it uses less digits than its factorization.

123971874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10834.

The product of its digits is 84672, while the sum is 42.

The square root of 123971874 is about 11134.2657593575. The cubic root of 123971874 is about 498.6253896895.

The spelling of 123971874 in words is "one hundred twenty-three million, nine hundred seventy-one thousand, eight hundred seventy-four".