124465861 has 4 divisors (see below), whose sum is σ = 134040172. Its totient is φ = 114891552.

The previous prime is 124465853. The next prime is 124465867. The reversal of 124465861 is 168564421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37136836 + 87329025 = 6094^2 + 9345^2 .

It is a cyclic number.

It is not a de Polignac number, because 124465861 - 2³ = 124465853 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 124465861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124465867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4787136 + ... + 4787161.

It is an arithmetic number, because the mean of its divisors is an integer number (33510043).

Almost surely, 2^124465861 is an apocalyptic number.

It is an amenable number.

124465861 is a deficient number, since it is larger than the sum of its proper divisors (9574311).

124465861 is an equidigital number, since it uses as much as digits as its factorization.

124465861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9574310.

The product of its digits is 46080, while the sum is 37.

The square root of 124465861 is about 11156.4268921550. The cubic root of 124465861 is about 499.2867978357.

The spelling of 124465861 in words is "one hundred twenty-four million, four hundred sixty-five thousand, eight hundred sixty-one".