123437049 has 8 divisors (see below), whose sum is σ = 166212672. Its totient is φ = 81476400.

The previous prime is 123437003. The next prime is 123437063. The reversal of 123437049 is 940734321.

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

It is not a de Polignac number, because 123437049 - 2¹⁹ = 122912761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123437449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203389 + ... + 203994.

It is an arithmetic number, because the mean of its divisors is an integer number (20776584).

Almost surely, 2^123437049 is an apocalyptic number.

It is an amenable number.

123437049 is a deficient number, since it is larger than the sum of its proper divisors (42775623).

123437049 is a wasteful number, since it uses less digits than its factorization.

123437049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407487.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 123437049 is about 11110.2227250402. Note that the first 3 decimals coincide. The cubic root of 123437049 is about 497.9073189245.

It can be divided in two parts, 1234 and 37049, that added together give a palindrome (38283).

The spelling of 123437049 in words is "one hundred twenty-three million, four hundred thirty-seven thousand, forty-nine".