1121206150 has 48 divisors (see below), whose sum is σ = 2241999360. Its totient is φ = 415821600.

The previous prime is 1121206147. The next prime is 1121206159. The reversal of 1121206150 is 516021211.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121206159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32095 + ... + 57205.

It is an arithmetic number, because the mean of its divisors is an integer number (46708320).

Almost surely, 2^1121206150 is an apocalyptic number.

1121206150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121206150 is a deficient number, since it is larger than the sum of its proper divisors (1120793210).

1121206150 is a wasteful number, since it uses less digits than its factorization.

1121206150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25189 (or 25184 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1121206150 is about 33484.4165247059. The cubic root of 1121206150 is about 1038.8714798870.

Adding to 1121206150 its reverse (516021211), we get a palindrome (1637227361).

The spelling of 1121206150 in words is "one billion, one hundred twenty-one million, two hundred six thousand, one hundred fifty".