124203001 has 8 divisors (see below), whose sum is σ = 134550920. Its totient is φ = 114646896.

The previous prime is 124202989. The next prime is 124203011. The reversal of 124203001 is 100302421.

It can be written as a sum of positive squares in 4 ways, for example, as 75272976 + 48930025 = 8676^2 + 6995^2 .

It is not a de Polignac number, because 124203001 - 2⁷ = 124202873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124203011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26070 + ... + 30463.

It is an arithmetic number, because the mean of its divisors is an integer number (16818865).

Almost surely, 2^124203001 is an apocalyptic number.

It is an amenable number.

124203001 is a deficient number, since it is larger than the sum of its proper divisors (10347919).

124203001 is an frugal number, since it uses more digits than its factorization.

124203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56572 (or 56546 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 124203001 is about 11144.6400121314. The cubic root of 124203001 is about 498.9350681171.

Adding to 124203001 its reverse (100302421), we get a palindrome (224505422).

The spelling of 124203001 in words is "one hundred twenty-four million, two hundred three thousand, one".