1154225135 has 36 divisors (see below), whose sum is σ = 1653669864. Its totient is φ = 770726880.

The previous prime is 1154225131. The next prime is 1154225161. The reversal of 1154225135 is 5315224511.

It is not a de Polignac number, because 1154225135 - 2² = 1154225131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1154225098 and 1154225107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154225131) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3486920 + ... + 3487250.

It is an arithmetic number, because the mean of its divisors is an integer number (45935274).

Almost surely, 2^1154225135 is an apocalyptic number.

1154225135 is a deficient number, since it is larger than the sum of its proper divisors (499444729).

1154225135 is an frugal number, since it uses more digits than its factorization.

1154225135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 386 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 1154225135 is about 33973.8890178914. The cubic root of 1154225135 is about 1048.9710661130.

Adding to 1154225135 its reverse (5315224511), we get a palindrome (6469449646).

The spelling of 1154225135 in words is "one billion, one hundred fifty-four million, two hundred twenty-five thousand, one hundred thirty-five".