124155071 has 2 divisors, whose sum is σ = 124155072. Its totient is φ = 124155070.

The previous prime is 124155047. The next prime is 124155079. The reversal of 124155071 is 170551421.

It is a strong prime.

It is an emirp because it is prime and its reverse (170551421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124155071 - 2²² = 119960767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124155071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124155079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62077535 + 62077536.

It is an arithmetic number, because the mean of its divisors is an integer number (62077536).

Almost surely, 2^124155071 is an apocalyptic number.

124155071 is a deficient number, since it is larger than the sum of its proper divisors (1).

124155071 is an equidigital number, since it uses as much as digits as its factorization.

124155071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 124155071 is about 11142.4894435669. The cubic root of 124155071 is about 498.8708800959.

The spelling of 124155071 in words is "one hundred twenty-four million, one hundred fifty-five thousand, seventy-one".