124270071 has 4 divisors (see below), whose sum is σ = 165693432. Its totient is φ = 82846712.

The previous prime is 124270067. The next prime is 124270073. The reversal of 124270071 is 170072421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124270071 - 2² = 124270067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124270073) 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 in 3 ways as a sum of consecutive naturals, for example, 20711676 + ... + 20711681.

It is an arithmetic number, because the mean of its divisors is an integer number (41423358).

Almost surely, 2^124270071 is an apocalyptic number.

124270071 is a deficient number, since it is larger than the sum of its proper divisors (41423361).

124270071 is an equidigital number, since it uses as much as digits as its factorization.

124270071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41423360.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 124270071 is about 11147.6486758419. The cubic root of 124270071 is about 499.0248607767.

The spelling of 124270071 in words is "one hundred twenty-four million, two hundred seventy thousand, seventy-one".