1154402241 has 4 divisors (see below), whose sum is σ = 1539202992. Its totient is φ = 769601492.

The previous prime is 1154402239. The next prime is 1154402243. The reversal of 1154402241 is 1422044511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1154402239) and next prime (1154402243).

It is a cyclic number.

It is not a de Polignac number, because 1154402241 - 2¹ = 1154402239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154402243) 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, 192400371 + ... + 192400376.

It is an arithmetic number, because the mean of its divisors is an integer number (384800748).

Almost surely, 2^1154402241 is an apocalyptic number.

It is an amenable number.

1154402241 is a deficient number, since it is larger than the sum of its proper divisors (384800751).

1154402241 is an equidigital number, since it uses as much as digits as its factorization.

1154402241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384800750.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1154402241 is about 33976.4954196280. The cubic root of 1154402241 is about 1049.0247152561.

Adding to 1154402241 its reverse (1422044511), we get a palindrome (2576446752).

The spelling of 1154402241 in words is "one billion, one hundred fifty-four million, four hundred two thousand, two hundred forty-one".