1121122072 has 32 divisors (see below), whose sum is σ = 2403532800. Its totient is φ = 480255264.

The previous prime is 1121122061. The next prime is 1121122073. The reversal of 1121122072 is 2702211211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121122073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179433 + ... + 185575.

It is an arithmetic number, because the mean of its divisors is an integer number (75110400).

Almost surely, 2^1121122072 is an apocalyptic number.

It is an amenable number.

1121122072 is an abundant number, since it is smaller than the sum of its proper divisors (1282410728).

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

1121122072 is a wasteful number, since it uses less digits than its factorization.

1121122072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9415 (or 9411 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1121122072 is about 33483.1610216240. The cubic root of 1121122072 is about 1038.8455112996.

Adding to 1121122072 its reverse (2702211211), we get a palindrome (3823333283).

The spelling of 1121122072 in words is "one billion, one hundred twenty-one million, one hundred twenty-two thousand, seventy-two".