1571123148 has 48 divisors (see below), whose sum is σ = 4410174720. Its totient is φ = 425265984.

The previous prime is 1571123131. The next prime is 1571123159. The reversal of 1571123148 is 8413211751.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 490611 + ... + 493802.

It is an arithmetic number, because the mean of its divisors is an integer number (91878640).

Almost surely, 2^1571123148 is an apocalyptic number.

It is an amenable number.

1571123148 is an abundant number, since it is smaller than the sum of its proper divisors (2839051572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1571123148 is a wasteful number, since it uses less digits than its factorization.

1571123148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984446 (or 984444 counting only the distinct ones).

The product of its digits is 6720, while the sum is 33.

The square root of 1571123148 is about 39637.3958276777. The cubic root of 1571123148 is about 1162.5279658436.

Adding to 1571123148 its reverse (8413211751), we get a palindrome (9984334899).

The spelling of 1571123148 in words is "one billion, five hundred seventy-one million, one hundred twenty-three thousand, one hundred forty-eight".