1154025121 has 8 divisors (see below), whose sum is σ = 1163519840. Its totient is φ = 1144547712.

The previous prime is 1154025113. The next prime is 1154025133. The reversal of 1154025121 is 1215204511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1154025121 - 2³ = 1154025113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154025092 and 1154025101.

It is not an unprimeable number, because it can be changed into a prime (1154025151) 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 7 ways as a sum of consecutive naturals, for example, 152401 + ... + 159793.

It is an arithmetic number, because the mean of its divisors is an integer number (145439980).

Almost surely, 2^1154025121 is an apocalyptic number.

It is an amenable number.

1154025121 is a deficient number, since it is larger than the sum of its proper divisors (9494719).

1154025121 is a wasteful number, since it uses less digits than its factorization.

1154025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8655.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1154025121 is about 33970.9452473728. The cubic root of 1154025121 is about 1048.9104710544.

Adding to 1154025121 its reverse (1215204511), we get a palindrome (2369229632).

The spelling of 1154025121 in words is "one billion, one hundred fifty-four million, twenty-five thousand, one hundred twenty-one".