1154242788 has 24 divisors (see below), whose sum is σ = 2694007680. Its totient is φ = 384636960.

The previous prime is 1154242781. The next prime is 1154242801. The reversal of 1154242788 is 8872424511.

It is not an unprimeable number, because it can be changed into a prime (1154242781) 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 7 ways as a sum of consecutive naturals, for example, 37158 + ... + 60738.

It is an arithmetic number, because the mean of its divisors is an integer number (112250320).

Almost surely, 2^1154242788 is an apocalyptic number.

It is an amenable number.

1154242788 is an abundant number, since it is smaller than the sum of its proper divisors (1539764892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1154242788 is a wasteful number, since it uses less digits than its factorization.

1154242788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27667 (or 27665 counting only the distinct ones).

The product of its digits is 143360, while the sum is 42.

The square root of 1154242788 is about 33974.1488193597. The cubic root of 1154242788 is about 1048.9764138253.

The spelling of 1154242788 in words is "one billion, one hundred fifty-four million, two hundred forty-two thousand, seven hundred eighty-eight".