1153235001 has 32 divisors (see below), whose sum is σ = 1718323200. Its totient is φ = 683700480.

The previous prime is 1153234997. The next prime is 1153235009. The reversal of 1153235001 is 1005323511.

It is not a de Polignac number, because 1153235001 - 2² = 1153234997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153235009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 424036 + ... + 426746.

It is an arithmetic number, because the mean of its divisors is an integer number (53697600).

Almost surely, 2^1153235001 is an apocalyptic number.

It is an amenable number.

1153235001 is a deficient number, since it is larger than the sum of its proper divisors (565088199).

1153235001 is a wasteful number, since it uses less digits than its factorization.

1153235001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1153235001 is about 33959.3139064970. The cubic root of 1153235001 is about 1048.6710324898.

Adding to 1153235001 its reverse (1005323511), we get a palindrome (2158558512).

The spelling of 1153235001 in words is "one billion, one hundred fifty-three million, two hundred thirty-five thousand, one".