1021134132 has 72 divisors (see below), whose sum is σ = 2623176192. Its totient is φ = 334886400.

The previous prime is 1021134097. The next prime is 1021134133. The reversal of 1021134132 is 2314311201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021134133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 666207 + ... + 667737.

Almost surely, 2^1021134132 is an apocalyptic number.

1021134132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021134132 is an abundant number, since it is smaller than the sum of its proper divisors (1602042060).

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

1021134132 is a wasteful number, since it uses less digits than its factorization.

1021134132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1021134132 is about 31955.1894377111. The cubic root of 1021134132 is about 1006.9956573246.

Adding to 1021134132 its reverse (2314311201), we get a palindrome (3335445333).

The spelling of 1021134132 in words is "one billion, twenty-one million, one hundred thirty-four thousand, one hundred thirty-two".