124131407 has 2 divisors, whose sum is σ = 124131408. Its totient is φ = 124131406.

The previous prime is 124131383. The next prime is 124131419. The reversal of 124131407 is 704131421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124131407 - 2⁸ = 124131151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124131487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62065703 + 62065704.

It is an arithmetic number, because the mean of its divisors is an integer number (62065704).

Almost surely, 2^124131407 is an apocalyptic number.

124131407 is a deficient number, since it is larger than the sum of its proper divisors (1).

124131407 is an equidigital number, since it uses as much as digits as its factorization.

124131407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 124131407 is about 11141.4275117689. The cubic root of 124131407 is about 498.8391830938.

Adding to 124131407 its reverse (704131421), we get a palindrome (828262828).

The spelling of 124131407 in words is "one hundred twenty-four million, one hundred thirty-one thousand, four hundred seven".