124505616091 has 2 divisors, whose sum is σ = 124505616092. Its totient is φ = 124505616090.

The previous prime is 124505616077. The next prime is 124505616101. The reversal of 124505616091 is 190616505421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124505616091 - 2¹¹ = 124505614043 is a prime.

It is not a weakly prime, because it can be changed into another prime (124505616791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62252808045 + 62252808046.

It is an arithmetic number, because the mean of its divisors is an integer number (62252808046).

Almost surely, 2^124505616091 is an apocalyptic number.

124505616091 is a deficient number, since it is larger than the sum of its proper divisors (1).

124505616091 is an equidigital number, since it uses as much as digits as its factorization.

124505616091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 124505616091 in words is "one hundred twenty-four billion, five hundred five million, six hundred sixteen thousand, ninety-one".