1153260258 has 32 divisors (see below), whose sum is σ = 2369480256. Its totient is φ = 373997568.

The previous prime is 1153260253. The next prime is 1153260281. The reversal of 1153260258 is 8520623511.

It is not an unprimeable number, because it can be changed into a prime (1153260253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57610 + ... + 75002.

It is an arithmetic number, because the mean of its divisors is an integer number (74046258).

Almost surely, 2^1153260258 is an apocalyptic number.

1153260258 is an abundant number, since it is smaller than the sum of its proper divisors (1216219998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153260258 is a wasteful number, since it uses less digits than its factorization.

1153260258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17698.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1153260258 is about 33959.6857759314. The cubic root of 1153260258 is about 1048.6786880821.

Adding to 1153260258 its reverse (8520623511), we get a palindrome (9673883769).

The spelling of 1153260258 in words is "one billion, one hundred fifty-three million, two hundred sixty thousand, two hundred fifty-eight".