124101605 has 4 divisors (see below), whose sum is σ = 148921932. Its totient is φ = 99281280.

The previous prime is 124101553. The next prime is 124101631. The reversal of 124101605 is 506101421.

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 93818596 + 30283009 = 9686^2 + 5503^2 .

It is a de Polignac number, because none of the positive numbers 2^k-124101605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12410156 + ... + 12410165.

It is an arithmetic number, because the mean of its divisors is an integer number (37230483).

Almost surely, 2^124101605 is an apocalyptic number.

It is an amenable number.

124101605 is a deficient number, since it is larger than the sum of its proper divisors (24820327).

124101605 is an equidigital number, since it uses as much as digits as its factorization.

124101605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24820326.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 124101605 is about 11140.0899906599. The cubic root of 124101605 is about 498.7992587492.

The spelling of 124101605 in words is "one hundred twenty-four million, one hundred one thousand, six hundred five".