1154114889 has 16 divisors (see below), whose sum is σ = 1563149952. Its totient is φ = 757289088.

The previous prime is 1154114881. The next prime is 1154114893. The reversal of 1154114889 is 9884114511.

It is not a de Polignac number, because 1154114889 - 2³ = 1154114881 is a prime.

It is a super-2 number, since 2×1154114889² = 2663962354022964642, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1154114889.

It is not an unprimeable number, because it can be changed into a prime (1154114881) 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, 104919 + ... + 115395.

It is an arithmetic number, because the mean of its divisors is an integer number (97696872).

Almost surely, 2^1154114889 is an apocalyptic number.

It is an amenable number.

1154114889 is a deficient number, since it is larger than the sum of its proper divisors (409035063).

1154114889 is a wasteful number, since it uses less digits than its factorization.

1154114889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056.

The product of its digits is 46080, while the sum is 42.

The square root of 1154114889 is about 33972.2664684004. The cubic root of 1154114889 is about 1048.9376675027.

The spelling of 1154114889 in words is "one billion, one hundred fifty-four million, one hundred fourteen thousand, eight hundred eighty-nine".