1154120315 has 16 divisors (see below), whose sum is σ = 1415232000. Its totient is φ = 903207552.

The previous prime is 1154120311. The next prime is 1154120351. The reversal of 1154120315 is 5130214511.

It is a cyclic number.

It is not a de Polignac number, because 1154120315 - 2² = 1154120311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154120311) 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, 86246 + ... + 98724.

It is an arithmetic number, because the mean of its divisors is an integer number (88452000).

Almost surely, 2^1154120315 is an apocalyptic number.

1154120315 is a deficient number, since it is larger than the sum of its proper divisors (261111685).

1154120315 is a wasteful number, since it uses less digits than its factorization.

1154120315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12886.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1154120315 is about 33972.3463275647. The cubic root of 1154120315 is about 1048.9393113388.

Adding to 1154120315 its reverse (5130214511), we get a palindrome (6284334826).

The spelling of 1154120315 in words is "one billion, one hundred fifty-four million, one hundred twenty thousand, three hundred fifteen".