1124153121 has 16 divisors (see below), whose sum is σ = 1844764544. Its totient is φ = 592959744.

The previous prime is 1124153113. The next prime is 1124153131. The reversal of 1124153121 is 1213514211.

It is not a de Polignac number, because 1124153121 - 2³ = 1124153113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1124153131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2058616 + ... + 2059161.

It is an arithmetic number, because the mean of its divisors is an integer number (115297784).

Almost surely, 2^1124153121 is an apocalyptic number.

It is an amenable number.

1124153121 is a deficient number, since it is larger than the sum of its proper divisors (720611423).

1124153121 is a wasteful number, since it uses less digits than its factorization.

1124153121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117800.

The product of its digits is 240, while the sum is 21.

The square root of 1124153121 is about 33528.3927589737. The cubic root of 1124153121 is about 1039.7808713006.

Adding to 1124153121 its reverse (1213514211), we get a palindrome (2337667332).

The spelling of 1124153121 in words is "one billion, one hundred twenty-four million, one hundred fifty-three thousand, one hundred twenty-one".