37122005 has 4 divisors (see below), whose sum is σ = 44546412. Its totient is φ = 29697600.

The previous prime is 37121983. The next prime is 37122011. The reversal of 37122005 is 50022173.

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 28976689 + 8145316 = 5383^2 + 2854^2 .

It is not a de Polignac number, because 37122005 - 2¹⁶ = 37056469 is a prime.

It is a Duffinian number.

It is a congruent 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, 3712196 + ... + 3712205.

It is an arithmetic number, because the mean of its divisors is an integer number (11136603).

Almost surely, 2^37122005 is an apocalyptic number.

It is an amenable number.

37122005 is a deficient number, since it is larger than the sum of its proper divisors (7424407).

37122005 is an equidigital number, since it uses as much as digits as its factorization.

37122005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7424406.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 37122005 is about 6092.7830258430. The cubic root of 37122005 is about 333.5880425423.

Adding to 37122005 its reverse (50022173), we get a palindrome (87144178).

The spelling of 37122005 in words is "thirty-seven million, one hundred twenty-two thousand, five".