123051647 has 8 divisors (see below), whose sum is σ = 124987776. Its totient is φ = 121122432.

The previous prime is 123051641. The next prime is 123051659. The reversal of 123051647 is 746150321.

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

It is a cyclic number.

It is not a de Polignac number, because 123051647 - 2⁴ = 123051631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123051641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42923 + ... + 45699.

It is an arithmetic number, because the mean of its divisors is an integer number (15623472).

Almost surely, 2^123051647 is an apocalyptic number.

123051647 is a deficient number, since it is larger than the sum of its proper divisors (1936129).

123051647 is an equidigital number, since it uses as much as digits as its factorization.

123051647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3457.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 123051647 is about 11092.8646886185. The cubic root of 123051647 is about 497.3885807235.

The spelling of 123051647 in words is "one hundred twenty-three million, fifty-one thousand, six hundred forty-seven".