4070123126785 has 4 divisors (see below), whose sum is σ = 4884147752148. Its totient is φ = 3256098501424.

The previous prime is 4070123126777. The next prime is 4070123126807. The reversal of 4070123126785 is 5876213210704.

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 725847769089 + 3344275357696 = 851967^2 + 1828736^2 .

It is a cyclic number.

It is not a de Polignac number, because 4070123126785 - 2³ = 4070123126777 is a prime.

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, 407012312674 + ... + 407012312683.

It is an arithmetic number, because the mean of its divisors is an integer number (1221036938037).

Almost surely, 2^{4070123126785} is an apocalyptic number.

It is an amenable number.

4070123126785 is a deficient number, since it is larger than the sum of its proper divisors (814024625363).

4070123126785 is an equidigital number, since it uses as much as digits as its factorization.

4070123126785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814024625362.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 4070123126785 in words is "four trillion, seventy billion, one hundred twenty-three million, one hundred twenty-six thousand, seven hundred eighty-five".