1071155000 has 80 divisors (see below), whose sum is σ = 2521911480. Its totient is φ = 426384000.

The previous prime is 1071154993. The next prime is 1071155017. The reversal of 1071155000 is 5511701.

It is a super-2 number, since 2×1071155000² = 2294746068050000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 1414622 + ... + 1415378.

Almost surely, 2^1071155000 is an apocalyptic number.

1071155000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260955740).

1071155000 is an abundant number, since it is smaller than the sum of its proper divisors (1450756480).

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

1071155000 is an equidigital number, since it uses as much as digits as its factorization.

1071155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 20.

The square root of 1071155000 is about 32728.5043960154. The cubic root of 1071155000 is about 1023.1770095351.

Adding to 1071155000 its reverse (5511701), we get a palindrome (1076666701).

The spelling of 1071155000 in words is "one billion, seventy-one million, one hundred fifty-five thousand".