1122020712 has 48 divisors (see below), whose sum is σ = 3066706500. Its totient is φ = 370573056.

The previous prime is 1122020693. The next prime is 1122020741. The reversal of 1122020712 is 2170202211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1072824516 + 49196196 = 32754^2 + 7014^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63637 + ... + 79332.

Almost surely, 2^1122020712 is an apocalyptic number.

1122020712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122020712 is an abundant number, since it is smaller than the sum of its proper divisors (1944685788).

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

1122020712 is a wasteful number, since it uses less digits than its factorization.

1122020712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143090 (or 143083 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1122020712 is about 33496.5776162282. The cubic root of 1122020712 is about 1039.1230008002.

Adding to 1122020712 its reverse (2170202211), we get a palindrome (3292222923).

The spelling of 1122020712 in words is "one billion, one hundred twenty-two million, twenty thousand, seven hundred twelve".