1121746132 has 12 divisors (see below), whose sum is σ = 2114060116. Its totient is φ = 517728960.

The previous prime is 1121746123. The next prime is 1121746159. The reversal of 1121746132 is 2316471211.

It can be written as a sum of positive squares in 2 ways, for example, as 689272516 + 432473616 = 26254^2 + 20796^2 .

It is a super-2 number, since 2×1121746132² = 2516628769313922848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1121746132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10785969 + ... + 10786072.

Almost surely, 2^1121746132 is an apocalyptic number.

It is an amenable number.

1121746132 is a deficient number, since it is larger than the sum of its proper divisors (992313984).

1121746132 is a wasteful number, since it uses less digits than its factorization.

1121746132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21572058 (or 21572056 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 1121746132 is about 33492.4787377704. The cubic root of 1121746132 is about 1039.0382294383.

It can be divided in two parts, 1121 and 746132, that added together give a triangular number (747253 = T₁₂₂₂).

The spelling of 1121746132 in words is "one billion, one hundred twenty-one million, seven hundred forty-six thousand, one hundred thirty-two".