1011071140 has 24 divisors (see below), whose sum is σ = 2148834240. Its totient is φ = 399555168.

The previous prime is 1011071129. The next prime is 1011071143. The reversal of 1011071140 is 411701101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1011071143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302880 + ... + 306199.

It is an arithmetic number, because the mean of its divisors is an integer number (89534760).

Almost surely, 2^1011071140 is an apocalyptic number.

1011071140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011071140 is an abundant number, since it is smaller than the sum of its proper divisors (1137763100).

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

1011071140 is a wasteful number, since it uses less digits than its factorization.

1011071140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609171 (or 609169 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 1011071140 is about 31797.3448577079. The cubic root of 1011071140 is about 1003.6768442471.

Adding to 1011071140 its reverse (411701101), we get a palindrome (1422772241).

The spelling of 1011071140 in words is "one billion, eleven million, seventy-one thousand, one hundred forty".