124401133 has 4 divisors (see below), whose sum is σ = 124425148. Its totient is φ = 124377120.

The previous prime is 124401103. The next prime is 124401157. The reversal of 124401133 is 331104421.

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 76265289 + 48135844 = 8733^2 + 6938^2 .

It is a cyclic number.

It is not a de Polignac number, because 124401133 - 2⁹ = 124400621 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 124401133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124401103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666 + ... + 15787.

It is an arithmetic number, because the mean of its divisors is an integer number (31106287).

Almost surely, 2^124401133 is an apocalyptic number.

It is an amenable number.

124401133 is a deficient number, since it is larger than the sum of its proper divisors (24015).

124401133 is an equidigital number, since it uses as much as digits as its factorization.

124401133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24014.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 124401133 is about 11153.5255861095. The cubic root of 124401133 is about 499.2002320913.

Adding to 124401133 its reverse (331104421), we get a palindrome (455505554).

The spelling of 124401133 in words is "one hundred twenty-four million, four hundred one thousand, one hundred thirty-three".