124011001 has 2 divisors, whose sum is σ = 124011002. Its totient is φ = 124011000.

The previous prime is 124010993. The next prime is 124011007. The reversal of 124011001 is 100110421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122323600 + 1687401 = 11060^2 + 1299^2 .

It is a cyclic number.

It is not a de Polignac number, because 124011001 - 2³ = 124010993 is a prime.

It is not a weakly prime, because it can be changed into another prime (124011007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62005500 + 62005501.

It is an arithmetic number, because the mean of its divisors is an integer number (62005501).

Almost surely, 2^124011001 is an apocalyptic number.

It is an amenable number.

124011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

124011001 is an equidigital number, since it uses as much as digits as its factorization.

124011001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 124011001 is about 11136.0226741867. The cubic root of 124011001 is about 498.6778415424.

Adding to 124011001 its reverse (100110421), we get a palindrome (224121422).

The spelling of 124011001 in words is "one hundred twenty-four million, eleven thousand, one".