1135021245 has 16 divisors (see below), whose sum is σ = 1860328512. Its totient is φ = 590579840.

The previous prime is 1135021243. The next prime is 1135021289. The reversal of 1135021245 is 5421205311.

It is a happy number.

It is not a de Polignac number, because 1135021245 - 2¹ = 1135021243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135021243) 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, 922167 + ... + 923396.

It is an arithmetic number, because the mean of its divisors is an integer number (116270532).

Almost surely, 2^1135021245 is an apocalyptic number.

1135021245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1135021245 is a deficient number, since it is larger than the sum of its proper divisors (725307267).

1135021245 is a wasteful number, since it uses less digits than its factorization.

1135021245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845612.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1135021245 is about 33690.0763578832. The cubic root of 1135021245 is about 1043.1209396501.

Adding to 1135021245 its reverse (5421205311), we get a palindrome (6556226556).

The spelling of 1135021245 in words is "one billion, one hundred thirty-five million, twenty-one thousand, two hundred forty-five".