123270849 has 32 divisors (see below), whose sum is σ = 203033600. Its totient is φ = 73405440.

The previous prime is 123270811. The next prime is 123270863. The reversal of 123270849 is 948072321.

It is not a de Polignac number, because 123270849 - 2¹¹ = 123268801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123270449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5217 + ... + 16545.

It is an arithmetic number, because the mean of its divisors is an integer number (6344800).

Almost surely, 2^123270849 is an apocalyptic number.

It is an amenable number.

123270849 is a deficient number, since it is larger than the sum of its proper divisors (79762751).

123270849 is a wasteful number, since it uses less digits than its factorization.

123270849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11382 (or 11376 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 123270849 is about 11102.7406076158. The cubic root of 123270849 is about 497.6837518916.

The spelling of 123270849 in words is "one hundred twenty-three million, two hundred seventy thousand, eight hundred forty-nine".