1154511234 has 12 divisors (see below), whose sum is σ = 2501441046. Its totient is φ = 384837072.

The previous prime is 1154511221. The next prime is 1154511271. The reversal of 1154511234 is 4321154511.

1154511234 is a `hidden beast` number, since 1 + 1 + 545 + 112 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 592679025 + 561832209 = 24345^2 + 23703^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1154511198 and 1154511207.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 32069739 + ... + 32069774.

Almost surely, 2^1154511234 is an apocalyptic number.

1154511234 is an abundant number, since it is smaller than the sum of its proper divisors (1346929812).

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

1154511234 is a wasteful number, since it uses less digits than its factorization.

1154511234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64139521 (or 64139518 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1154511234 is about 33978.0993288324. The cubic root of 1154511234 is about 1049.0577288074.

Adding to 1154511234 its reverse (4321154511), we get a palindrome (5475665745).

The spelling of 1154511234 in words is "one billion, one hundred fifty-four million, five hundred eleven thousand, two hundred thirty-four".