1154041238 has 24 divisors (see below), whose sum is σ = 2101239792. Its totient is φ = 473084304.

The previous prime is 1154041237. The next prime is 1154041289. The reversal of 1154041238 is 8321404511.

It is a super-2 number, since 2×1154041238² = 2663622358009145288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1154041238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154041237) 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 11 ways as a sum of consecutive naturals, for example, 253745 + ... + 258252.

It is an arithmetic number, because the mean of its divisors is an integer number (87551658).

Almost surely, 2^1154041238 is an apocalyptic number.

1154041238 is a deficient number, since it is larger than the sum of its proper divisors (947198554).

1154041238 is a wasteful number, since it uses less digits than its factorization.

1154041238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512036 (or 512029 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1154041238 is about 33971.1824639650. The cubic root of 1154041238 is about 1048.9153540247.

Adding to 1154041238 its reverse (8321404511), we get a palindrome (9475445749).

The spelling of 1154041238 in words is "one billion, one hundred fifty-four million, forty-one thousand, two hundred thirty-eight".