1572212041 has 4 divisors (see below), whose sum is σ = 1574257300. Its totient is φ = 1570166784.

The previous prime is 1572212039. The next prime is 1572212051. The reversal of 1572212041 is 1402122751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1402122751 = 6793 ⋅206407.

It can be written as a sum of positive squares in 2 ways, for example, as 441840400 + 1130371641 = 21020^2 + 33621^2 .

It is a cyclic number.

It is not a de Polignac number, because 1572212041 - 2¹ = 1572212039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1572211997 and 1572212015.

It is not an unprimeable number, because it can be changed into a prime (1572212051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021476 + ... + 1023013.

It is an arithmetic number, because the mean of its divisors is an integer number (393564325).

Almost surely, 2^1572212041 is an apocalyptic number.

It is an amenable number.

1572212041 is a deficient number, since it is larger than the sum of its proper divisors (2045259).

1572212041 is an equidigital number, since it uses as much as digits as its factorization.

1572212041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045258.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1572212041 is about 39651.1291264196. The cubic root of 1572212041 is about 1162.7964735955.

Adding to 1572212041 its reverse (1402122751), we get a palindrome (2974334792).

The spelling of 1572212041 in words is "one billion, five hundred seventy-two million, two hundred twelve thousand, forty-one".