124106491 has 2 divisors, whose sum is σ = 124106492. Its totient is φ = 124106490.

The previous prime is 124106453. The next prime is 124106501. The reversal of 124106491 is 194601421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124106491 - 2⁷ = 124106363 is a prime.

It is a super-2 number, since 2×124106491² = 30804842216666162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124106791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62053245 + 62053246.

It is an arithmetic number, because the mean of its divisors is an integer number (62053246).

Almost surely, 2^124106491 is an apocalyptic number.

124106491 is a deficient number, since it is larger than the sum of its proper divisors (1).

124106491 is an equidigital number, since it uses as much as digits as its factorization.

124106491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 124106491 is about 11140.3092865504. The cubic root of 124106491 is about 498.8058047327.

The spelling of 124106491 in words is "one hundred twenty-four million, one hundred six thousand, four hundred ninety-one".