123049465 has 64 divisors (see below), whose sum is σ = 194088960. Its totient is φ = 72656640.

The previous prime is 123049391. The next prime is 123049469. The reversal of 123049465 is 564940321.

It is a happy number.

It is not a de Polignac number, because 123049465 - 2⁹ = 123048953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123049465.

It is not an unprimeable number, because it can be changed into a prime (123049469) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1149942 + ... + 1150048.

It is an arithmetic number, because the mean of its divisors is an integer number (3032640).

Almost surely, 2^123049465 is an apocalyptic number.

It is an amenable number.

123049465 is a deficient number, since it is larger than the sum of its proper divisors (71039495).

123049465 is a wasteful number, since it uses less digits than its factorization.

123049465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 123049465 is about 11092.7663366718. The cubic root of 123049465 is about 497.3856407431.

Adding to 123049465 its reverse (564940321), we get a palindrome (687989786).

The spelling of 123049465 in words is "one hundred twenty-three million, forty-nine thousand, four hundred sixty-five".