1154742041 has 16 divisors (see below), whose sum is σ = 1190246400. Its totient is φ = 1119890448.

The previous prime is 1154742023. The next prime is 1154742047. The reversal of 1154742041 is 1402474511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1154742041 - 2⁶ = 1154741977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1154741995 and 1154742013.

It is not an unprimeable number, because it can be changed into a prime (1154742047) 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, 1605680 + ... + 1606398.

It is an arithmetic number, because the mean of its divisors is an integer number (74390400).

Almost surely, 2^1154742041 is an apocalyptic number.

It is an amenable number.

1154742041 is a deficient number, since it is larger than the sum of its proper divisors (35504359).

1154742041 is a wasteful number, since it uses less digits than its factorization.

1154742041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 1154742041 is about 33981.4955674408. The cubic root of 1154742041 is about 1049.1276324822.

The spelling of 1154742041 in words is "one billion, one hundred fifty-four million, seven hundred forty-two thousand, forty-one".