124686361 has 4 divisors (see below), whose sum is σ = 125451472. Its totient is φ = 123921252.

The previous prime is 124686343. The next prime is 124686383. The reversal of 124686361 is 163686421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124686361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124686361.

It is not an unprimeable number, because it can be changed into a prime (124686301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382311 + ... + 382636.

It is an arithmetic number, because the mean of its divisors is an integer number (31362868).

Almost surely, 2^124686361 is an apocalyptic number.

It is an amenable number.

124686361 is a deficient number, since it is larger than the sum of its proper divisors (765111).

124686361 is an equidigital number, since it uses as much as digits as its factorization.

124686361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765110.

The product of its digits is 41472, while the sum is 37.

The square root of 124686361 is about 11166.3047155270. The cubic root of 124686361 is about 499.5814644204.

The spelling of 124686361 in words is "one hundred twenty-four million, six hundred eighty-six thousand, three hundred sixty-one".