1154224011 has 4 divisors (see below), whose sum is σ = 1538965352. Its totient is φ = 769482672.

The previous prime is 1154224009. The next prime is 1154224031. The reversal of 1154224011 is 1104224511.

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

It is not a de Polignac number, because 1154224011 - 2¹ = 1154224009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154224031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192370666 + ... + 192370671.

It is an arithmetic number, because the mean of its divisors is an integer number (384741338).

Almost surely, 2^1154224011 is an apocalyptic number.

1154224011 is a deficient number, since it is larger than the sum of its proper divisors (384741341).

1154224011 is an equidigital number, since it uses as much as digits as its factorization.

1154224011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384741340.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1154224011 is about 33973.8724757717. The cubic root of 1154224011 is about 1048.9707256122.

Adding to 1154224011 its reverse (1104224511), we get a palindrome (2258448522).

It can be divided in two parts, 11542 and 24011, that added together give a palindrome (35553).

The spelling of 1154224011 in words is "one billion, one hundred fifty-four million, two hundred twenty-four thousand, eleven".