1121611050 has 120 divisors (see below), whose sum is σ = 3561709536. Its totient is φ = 256361760.

The previous prime is 1121611037. The next prime is 1121611079. The reversal of 1121611050 is 501161211.

It is a happy number.

1121611050 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 611 + 0 + 50 = 666.

It is a super-2 number, since 2×1121611050² = 2516022694964205000, which contains 22 as substring.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 8569 + ... + 48131.

Almost surely, 2^1121611050 is an apocalyptic number.

1121611050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121611050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1780854768).

1121611050 is an abundant number, since it is smaller than the sum of its proper divisors (2440098486).

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

1121611050 is a wasteful number, since it uses less digits than its factorization.

1121611050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39594 (or 39580 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 1121611050 is about 33490.4620750446. The cubic root of 1121611050 is about 1038.9965203586.

Adding to 1121611050 its reverse (501161211), we get a palindrome (1622772261).

It can be divided in two parts, 1121 and 611050, that added together give a triangular number (612171 = T₁₁₀₆).

The spelling of 1121611050 in words is "one billion, one hundred twenty-one million, six hundred eleven thousand, fifty".