123947862 has 16 divisors (see below), whose sum is σ = 248376000. Its totient is φ = 41235912.

The previous prime is 123947843. The next prime is 123947893. The reversal of 123947862 is 268749321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16612 + ... + 22887.

It is an arithmetic number, because the mean of its divisors is an integer number (15523500).

Almost surely, 2^123947862 is an apocalyptic number.

123947862 is an abundant number, since it is smaller than the sum of its proper divisors (124428138).

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

123947862 is a wasteful number, since it uses less digits than its factorization.

123947862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40027.

The product of its digits is 145152, while the sum is 42.

The square root of 123947862 is about 11133.1874142134. The cubic root of 123947862 is about 498.5931948441.

The spelling of 123947862 in words is "one hundred twenty-three million, nine hundred forty-seven thousand, eight hundred sixty-two".