1573220125 has 32 divisors (see below), whose sum is σ = 2054916864. Its totient is φ = 1200232000.

The previous prime is 1573220123. The next prime is 1573220149. The reversal of 1573220125 is 5210223751.

It is not a de Polignac number, because 1573220125 - 2¹ = 1573220123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1573220093 and 1573220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1573220123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1324782 + ... + 1325968.

It is an arithmetic number, because the mean of its divisors is an integer number (64216152).

Almost surely, 2^1573220125 is an apocalyptic number.

It is an amenable number.

1573220125 is a deficient number, since it is larger than the sum of its proper divisors (481696739).

1573220125 is a wasteful number, since it uses less digits than its factorization.

1573220125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1573220125 is about 39663.8390098588. The cubic root of 1573220125 is about 1163.0449443373.

Adding to 1573220125 its reverse (5210223751), we get a palindrome (6783443876).

The spelling of 1573220125 in words is "one billion, five hundred seventy-three million, two hundred twenty thousand, one hundred twenty-five".