1154526049 has 16 divisors (see below), whose sum is σ = 1257569280. Its totient is φ = 1055658240.

The previous prime is 1154526031. The next prime is 1154526071. The reversal of 1154526049 is 9406254511.

It is a cyclic number.

It is not a de Polignac number, because 1154526049 - 2⁵ = 1154526017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1154525999 and 1154526017.

It is not an unprimeable number, because it can be changed into a prime (1154526019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135487 + ... + 143755.

It is an arithmetic number, because the mean of its divisors is an integer number (78598080).

Almost surely, 2^1154526049 is an apocalyptic number.

It is an amenable number.

1154526049 is a deficient number, since it is larger than the sum of its proper divisors (103043231).

1154526049 is a wasteful number, since it uses less digits than its factorization.

1154526049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1154526049 is about 33978.3173362072. The cubic root of 1154526049 is about 1049.0622160522.

The spelling of 1154526049 in words is "one billion, one hundred fifty-four million, five hundred twenty-six thousand, forty-nine".