1121052153 has 16 divisors (see below), whose sum is σ = 1618154496. Its totient is φ = 686261760.

The previous prime is 1121052139. The next prime is 1121052169. The reversal of 1121052153 is 3512501211.

It is not a de Polignac number, because 1121052153 - 2⁴ = 1121052137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121052353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67800 + ... + 82697.

It is an arithmetic number, because the mean of its divisors is an integer number (101134656).

Almost surely, 2^1121052153 is an apocalyptic number.

1121052153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1121052153 is a deficient number, since it is larger than the sum of its proper divisors (497102343).

1121052153 is a wasteful number, since it uses less digits than its factorization.

1121052153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150704.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1121052153 is about 33482.1169133614. The cubic root of 1121052153 is about 1038.8239149153.

Adding to 1121052153 its reverse (3512501211), we get a palindrome (4633553364).

The spelling of 1121052153 in words is "one billion, one hundred twenty-one million, fifty-two thousand, one hundred fifty-three".