124140133 has 6 divisors (see below), whose sum is σ = 134424114. Its totient is φ = 114590736.

The previous prime is 124140127. The next prime is 124140139. The reversal of 124140133 is 331041421.

It is an interprime number because it is at equal distance from previous prime (124140127) and next prime (124140139).

It can be written as a sum of positive squares in 3 ways, for example, as 1329409 + 122810724 = 1153^2 + 11082^2 .

It is not a de Polignac number, because 124140133 - 2⁵ = 124140101 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 124140133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124140139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 367110 + ... + 367447.

It is an arithmetic number, because the mean of its divisors is an integer number (22404019).

Almost surely, 2^124140133 is an apocalyptic number.

124140133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

124140133 is a deficient number, since it is larger than the sum of its proper divisors (10283981).

124140133 is an equidigital number, since it uses as much as digits as its factorization.

124140133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734583 (or 734570 counting only the distinct ones).

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

The square root of 124140133 is about 11141.8191064117. The cubic root of 124140133 is about 498.8508716982.

Adding to 124140133 its reverse (331041421), we get a palindrome (455181554).

The spelling of 124140133 in words is "one hundred twenty-four million, one hundred forty thousand, one hundred thirty-three".