124554491 has 2 divisors, whose sum is σ = 124554492. Its totient is φ = 124554490.

The previous prime is 124554467. The next prime is 124554517. The reversal of 124554491 is 194455421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124554491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124554401) 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 as a sum of consecutive naturals, namely, 62277245 + 62277246.

It is an arithmetic number, because the mean of its divisors is an integer number (62277246).

Almost surely, 2^124554491 is an apocalyptic number.

124554491 is a deficient number, since it is larger than the sum of its proper divisors (1).

124554491 is an equidigital number, since it uses as much as digits as its factorization.

124554491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 35.

The square root of 124554491 is about 11160.3983351850. The cubic root of 124554491 is about 499.4052808988.

The spelling of 124554491 in words is "one hundred twenty-four million, five hundred fifty-four thousand, four hundred ninety-one".