124070105 has 4 divisors (see below), whose sum is σ = 148884132. Its totient is φ = 99256080.

The previous prime is 124070099. The next prime is 124070113. The reversal of 124070105 is 501070421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 89718784 + 34351321 = 9472^2 + 5861^2 .

It is not a de Polignac number, because 124070105 - 2¹⁸ = 123807961 is a prime.

It is a super-2 number, since 2×124070105² = 30786781909422050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12407006 + ... + 12407015.

It is an arithmetic number, because the mean of its divisors is an integer number (37221033).

Almost surely, 2^124070105 is an apocalyptic number.

It is an amenable number.

124070105 is a deficient number, since it is larger than the sum of its proper divisors (24814027).

124070105 is an equidigital number, since it uses as much as digits as its factorization.

124070105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24814026.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 124070105 is about 11138.6760882970. The cubic root of 124070105 is about 498.7570527245.

The spelling of 124070105 in words is "one hundred twenty-four million, seventy thousand, one hundred five".