123961016 has 16 divisors (see below), whose sum is σ = 244660200. Its totient is φ = 58718304.

The previous prime is 123960983. The next prime is 123961027. The reversal of 123961016 is 610169321.

It is a self number, because there is not a number n which added to its sum of digits gives 123961016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407615 + ... + 407918.

Almost surely, 2^123961016 is an apocalyptic number.

It is an amenable number.

123961016 is a deficient number, since it is larger than the sum of its proper divisors (120699184).

123961016 is a wasteful number, since it uses less digits than its factorization.

123961016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815558 (or 815554 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 123961016 is about 11133.7781547865. The cubic root of 123961016 is about 498.6108319989.

The spelling of 123961016 in words is "one hundred twenty-three million, nine hundred sixty-one thousand, sixteen".