1154011214 has 4 divisors (see below), whose sum is σ = 1731016824. Its totient is φ = 577005606.

The previous prime is 1154011213. The next prime is 1154011219. The reversal of 1154011214 is 4121104511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154011213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288502802 + ... + 288502805.

It is an arithmetic number, because the mean of its divisors is an integer number (432754206).

Almost surely, 2^1154011214 is an apocalyptic number.

1154011214 is a deficient number, since it is larger than the sum of its proper divisors (577005610).

1154011214 is an equidigital number, since it uses as much as digits as its factorization.

1154011214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577005609.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1154011214 is about 33970.7405571324. The cubic root of 1154011214 is about 1048.9062576116.

Adding to 1154011214 its reverse (4121104511), we get a palindrome (5275115725).

The spelling of 1154011214 in words is "one billion, one hundred fifty-four million, eleven thousand, two hundred fourteen".