1121122650 has 48 divisors (see below), whose sum is σ = 2782821888. Its totient is φ = 298704000.

The previous prime is 1121122643. The next prime is 1121122663. The reversal of 1121122650 is 562211211.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218110 + ... + 223190.

It is an arithmetic number, because the mean of its divisors is an integer number (57975456).

Almost surely, 2^1121122650 is an apocalyptic number.

1121122650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121122650 is an abundant number, since it is smaller than the sum of its proper divisors (1661699238).

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

1121122650 is a wasteful number, since it uses less digits than its factorization.

1121122650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567 (or 6562 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1121122650 is about 33483.1696528271. The cubic root of 1121122650 is about 1038.8456898269.

Adding to 1121122650 its reverse (562211211), we get a palindrome (1683333861).

The spelling of 1121122650 in words is "one billion, one hundred twenty-one million, one hundred twenty-two thousand, six hundred fifty".