124870465 has 4 divisors (see below), whose sum is σ = 149844564. Its totient is φ = 99896368.

The previous prime is 124870463. The next prime is 124870517. The reversal of 124870465 is 564078421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564078421 = 6389 ⋅88289.

It can be written as a sum of positive squares in 2 ways, for example, as 48762289 + 76108176 = 6983^2 + 8724^2 .

It is a cyclic number.

It is not a de Polignac number, because 124870465 - 2¹ = 124870463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124870463) 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, 12487042 + ... + 12487051.

It is an arithmetic number, because the mean of its divisors is an integer number (37461141).

Almost surely, 2^124870465 is an apocalyptic number.

It is an amenable number.

124870465 is a deficient number, since it is larger than the sum of its proper divisors (24974099).

124870465 is an equidigital number, since it uses as much as digits as its factorization.

124870465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24974098.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 124870465 is about 11174.5454046238. The cubic root of 124870465 is about 499.8272269725.

The spelling of 124870465 in words is "one hundred twenty-four million, eight hundred seventy thousand, four hundred sixty-five".