1011133172 has 24 divisors (see below), whose sum is σ = 2022941760. Its totient is φ = 433198080.

The previous prime is 1011133171. The next prime is 1011133187. The reversal of 1011133172 is 2713311101.

1011133172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011133171) 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, 151604 + ... + 158132.

It is an arithmetic number, because the mean of its divisors is an integer number (84289240).

Almost surely, 2^1011133172 is an apocalyptic number.

It is an amenable number.

1011133172 is an abundant number, since it is smaller than the sum of its proper divisors (1011808588).

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

1011133172 is a wasteful number, since it uses less digits than its factorization.

1011133172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071 (or 12069 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 1011133172 is about 31798.3202701023. The cubic root of 1011133172 is about 1003.6973699405.

Adding to 1011133172 its reverse (2713311101), we get a palindrome (3724444273).

The spelling of 1011133172 in words is "one billion, eleven million, one hundred thirty-three thousand, one hundred seventy-two".