1120211550 has 72 divisors (see below), whose sum is σ = 3140517744. Its totient is φ = 285732480.

The previous prime is 1120211537. The next prime is 1120211563. The reversal of 1120211550 is 551120211.

1120211550 is a `hidden beast` number, since 112 + 0 + 2 + 1 + 1 + 550 = 666.

It is an interprime number because it is at equal distance from previous prime (1120211537) and next prime (1120211563).

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

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 43767 + ... + 64466.

It is an arithmetic number, because the mean of its divisors is an integer number (43618302).

Almost surely, 2^1120211550 is an apocalyptic number.

1120211550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1120211550 is an abundant number, since it is smaller than the sum of its proper divisors (2020306194).

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

1120211550 is a wasteful number, since it uses less digits than its factorization.

1120211550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108274 (or 108266 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1120211550 is about 33469.5615447827. The cubic root of 1120211550 is about 1038.5642014996.

Adding to 1120211550 its reverse (551120211), we get a palindrome (1671331761).

The spelling of 1120211550 in words is "one billion, one hundred twenty million, two hundred eleven thousand, five hundred fifty".