1155250214 has 4 divisors (see below), whose sum is σ = 1732875324. Its totient is φ = 577625106.

The previous prime is 1155250183. The next prime is 1155250219. The reversal of 1155250214 is 4120525511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4120525511 = 293 ⋅14063227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155250219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288812552 + ... + 288812555.

It is an arithmetic number, because the mean of its divisors is an integer number (433218831).

Almost surely, 2^1155250214 is an apocalyptic number.

1155250214 is a deficient number, since it is larger than the sum of its proper divisors (577625110).

1155250214 is an equidigital number, since it uses as much as digits as its factorization.

1155250214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577625109.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1155250214 is about 33988.9719467947. The cubic root of 1155250214 is about 1049.2815081617.

Adding to 1155250214 its reverse (4120525511), we get a palindrome (5275775725).

The spelling of 1155250214 in words is "one billion, one hundred fifty-five million, two hundred fifty thousand, two hundred fourteen".