1571201116 has 12 divisors (see below), whose sum is σ = 2869150032. Its totient is φ = 751443968.

The previous prime is 1571201113. The next prime is 1571201131. The reversal of 1571201116 is 6111021751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1571201113) 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, 8539045 + ... + 8539228.

It is an arithmetic number, because the mean of its divisors is an integer number (239095836).

Almost surely, 2^1571201116 is an apocalyptic number.

It is an amenable number.

1571201116 is a deficient number, since it is larger than the sum of its proper divisors (1297948916).

1571201116 is a wasteful number, since it uses less digits than its factorization.

1571201116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17078300 (or 17078298 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 25.

The square root of 1571201116 is about 39638.3793311482. The cubic root of 1571201116 is about 1162.5471959256.

Adding to 1571201116 its reverse (6111021751), we get a palindrome (7682222867).

The spelling of 1571201116 in words is "one billion, five hundred seventy-one million, two hundred one thousand, one hundred sixteen".