1571125340 has 48 divisors (see below), whose sum is σ = 3334595040. Its totient is φ = 621772800.

The previous prime is 1571125321. The next prime is 1571125349. The reversal of 1571125340 is 435211751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1571125349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980540 + ... + 982140.

It is an arithmetic number, because the mean of its divisors is an integer number (69470730).

Almost surely, 2^1571125340 is an apocalyptic number.

1571125340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1571125340 is an abundant number, since it is smaller than the sum of its proper divisors (1763469700).

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

1571125340 is a wasteful number, since it uses less digits than its factorization.

1571125340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1571125340 is about 39637.4234783241. The cubic root of 1571125340 is about 1162.5285064887.

The spelling of 1571125340 in words is "one billion, five hundred seventy-one million, one hundred twenty-five thousand, three hundred forty".