124140451 has 2 divisors, whose sum is σ = 124140452. Its totient is φ = 124140450.

The previous prime is 124140449. The next prime is 124140463. The reversal of 124140451 is 154041421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124140451 - 2¹ = 124140449 is a prime.

Together with 124140449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (124150451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62070225 + 62070226.

It is an arithmetic number, because the mean of its divisors is an integer number (62070226).

Almost surely, 2^124140451 is an apocalyptic number.

124140451 is a deficient number, since it is larger than the sum of its proper divisors (1).

124140451 is an equidigital number, since it uses as much as digits as its factorization.

124140451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 124140451 is about 11141.8333769627. The cubic root of 124140451 is about 498.8512976535.

Adding to 124140451 its reverse (154041421), we get a palindrome (278181872).

The spelling of 124140451 in words is "one hundred twenty-four million, one hundred forty thousand, four hundred fifty-one".