124542091 has 2 divisors, whose sum is σ = 124542092. Its totient is φ = 124542090.

The previous prime is 124542073. The next prime is 124542107. The reversal of 124542091 is 190245421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124542091 - 2¹⁵ = 124509323 is a prime.

It is not a weakly prime, because it can be changed into another prime (124542001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62271045 + 62271046.

It is an arithmetic number, because the mean of its divisors is an integer number (62271046).

Almost surely, 2^124542091 is an apocalyptic number.

124542091 is a deficient number, since it is larger than the sum of its proper divisors (1).

124542091 is an equidigital number, since it uses as much as digits as its factorization.

124542091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 124542091 is about 11159.8427856310. The cubic root of 124542091 is about 499.3887076145.

The spelling of 124542091 in words is "one hundred twenty-four million, five hundred forty-two thousand, ninety-one".