1011144132 has 36 divisors (see below), whose sum is σ = 2618291676. Its totient is φ = 328826880.

The previous prime is 1011144119. The next prime is 1011144149. The reversal of 1011144132 is 2314411101.

It can be written as a sum of positive squares in 2 ways, for example, as 352913796 + 658230336 = 18786^2 + 25656^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341053 + ... + 344004.

Almost surely, 2^1011144132 is an apocalyptic number.

1011144132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011144132 is an abundant number, since it is smaller than the sum of its proper divisors (1607147544).

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

1011144132 is a wasteful number, since it uses less digits than its factorization.

1011144132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685108 (or 685103 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1011144132 is about 31798.4926057824. The cubic root of 1011144132 is about 1003.7009963944.

Adding to 1011144132 its reverse (2314411101), we get a palindrome (3325555233).

The spelling of 1011144132 in words is "one billion, eleven million, one hundred forty-four thousand, one hundred thirty-two".