1000122132 has 24 divisors (see below), whose sum is σ = 2368450336. Its totient is φ = 328398048.

The previous prime is 1000122091. The next prime is 1000122161. The reversal of 1000122132 is 2312210001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621163 + ... + 622770.

Almost surely, 2^1000122132 is an apocalyptic number.

1000122132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000122132 is an abundant number, since it is smaller than the sum of its proper divisors (1368328204).

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

1000122132 is a wasteful number, since it uses less digits than its factorization.

1000122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244007 (or 1244005 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1000122132 is about 31624.7076192018. The cubic root of 1000122132 is about 1000.0407090094.

Adding to 1000122132 its reverse (2312210001), we get a palindrome (3312332133).

The spelling of 1000122132 in words is "one billion, one hundred twenty-two thousand, one hundred thirty-two".