1121072150 has 24 divisors (see below), whose sum is σ = 2274758424. Its totient is φ = 407662400.

The previous prime is 1121072149. The next prime is 1121072171. The reversal of 1121072150 is 512701211.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1018607 + ... + 1019706.

It is an arithmetic number, because the mean of its divisors is an integer number (94781601).

Almost surely, 2^1121072150 is an apocalyptic number.

1121072150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121072150 is an abundant number, since it is smaller than the sum of its proper divisors (1153686274).

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

1121072150 is a wasteful number, since it uses less digits than its factorization.

1121072150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038336 (or 2038331 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 1121072150 is about 33482.4155341278. The cubic root of 1121072150 is about 1038.8300916242.

Adding to 1121072150 its reverse (512701211), we get a palindrome (1633773361).

The spelling of 1121072150 in words is "one billion, one hundred twenty-one million, seventy-two thousand, one hundred fifty".