1154355225 has 12 divisors (see below), whose sum is σ = 1908534096. Its totient is φ = 615656080.

The previous prime is 1154355173. The next prime is 1154355227. The reversal of 1154355225 is 5225534511.

It is not a de Polignac number, because 1154355225 - 2⁶ = 1154355161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154355227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7695627 + ... + 7695776.

It is an arithmetic number, because the mean of its divisors is an integer number (159044508).

Almost surely, 2^1154355225 is an apocalyptic number.

1154355225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1154355225 is a deficient number, since it is larger than the sum of its proper divisors (754178871).

1154355225 is a wasteful number, since it uses less digits than its factorization.

1154355225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15391416 (or 15391411 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 1154355225 is about 33975.8035225070. The cubic root of 1154355225 is about 1049.0104736530.

Adding to 1154355225 its reverse (5225534511), we get a palindrome (6379889736).

The spelling of 1154355225 in words is "one billion, one hundred fifty-four million, three hundred fifty-five thousand, two hundred twenty-five".