124545601 has 4 divisors (see below), whose sum is σ = 126895572. Its totient is φ = 122195632.

The previous prime is 124545583. The next prime is 124545607. The reversal of 124545601 is 106545421.

It is a Cunningham number, because it is equal to 11160²+1.

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 89794576 + 34751025 = 9476^2 + 5895^2 .

It is a cyclic number.

It is not a de Polignac number, because 124545601 - 2¹⁷ = 124414529 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 124545601.

It is not an unprimeable number, because it can be changed into a prime (124545607) 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, 1174906 + ... + 1175011.

It is an arithmetic number, because the mean of its divisors is an integer number (31723893).

Almost surely, 2^124545601 is an apocalyptic number.

It is an amenable number.

124545601 is a deficient number, since it is larger than the sum of its proper divisors (2349971).

124545601 is an equidigital number, since it uses as much as digits as its factorization.

124545601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349970.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 124545601 is about 11160.0000448029. Note that the first 4 decimals coincide. The cubic root of 124545601 is about 499.3933990348.

The spelling of 124545601 in words is "one hundred twenty-four million, five hundred forty-five thousand, six hundred one".