1071569428 has 12 divisors (see below), whose sum is σ = 1876627872. Its totient is φ = 535390040.

The previous prime is 1071569419. The next prime is 1071569437. The reversal of 1071569428 is 8249651701.

It is an interprime number because it is at equal distance from previous prime (1071569419) and next prime (1071569437).

It is a super-2 number, since 2×1071569428² = 2296522078048494368, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 92518 + ... + 103453.

It is an arithmetic number, because the mean of its divisors is an integer number (156385656).

Almost surely, 2^1071569428 is an apocalyptic number.

It is an amenable number.

1071569428 is a deficient number, since it is larger than the sum of its proper divisors (805058444).

1071569428 is a wasteful number, since it uses less digits than its factorization.

1071569428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197342 (or 197340 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1071569428 is about 32734.8350843562. The cubic root of 1071569428 is about 1023.3089476541.

The spelling of 1071569428 in words is "one billion, seventy-one million, five hundred sixty-nine thousand, four hundred twenty-eight".