1153442125 has 32 divisors (see below), whose sum is σ = 1573857792. Its totient is φ = 837000000.

The previous prime is 1153442123. The next prime is 1153442179. The reversal of 1153442125 is 5212443511.

It is not a de Polignac number, because 1153442125 - 2¹ = 1153442123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1153442093 and 1153442102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153442123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1032067 + ... + 1033183.

It is an arithmetic number, because the mean of its divisors is an integer number (49183056).

Almost surely, 2^1153442125 is an apocalyptic number.

It is an amenable number.

1153442125 is a deficient number, since it is larger than the sum of its proper divisors (420415667).

1153442125 is a wasteful number, since it uses less digits than its factorization.

1153442125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1884 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1153442125 is about 33962.3633600490. The cubic root of 1153442125 is about 1048.7338100782.

Adding to 1153442125 its reverse (5212443511), we get a palindrome (6365885636).

The spelling of 1153442125 in words is "one billion, one hundred fifty-three million, four hundred forty-two thousand, one hundred twenty-five".