1022252135 has 8 divisors (see below), whose sum is σ = 1280037600. Its totient is φ = 782245024.

The previous prime is 1022252129. The next prime is 1022252149. The reversal of 1022252135 is 5312522201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022252135 - 2⁶ = 1022252071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1022252135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4444460 + ... + 4444689.

It is an arithmetic number, because the mean of its divisors is an integer number (160004700).

Almost surely, 2^1022252135 is an apocalyptic number.

1022252135 is a deficient number, since it is larger than the sum of its proper divisors (257785465).

1022252135 is an equidigital number, since it uses as much as digits as its factorization.

1022252135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8889177.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1022252135 is about 31972.6779453958. The cubic root of 1022252135 is about 1007.3630310468.

Adding to 1022252135 its reverse (5312522201), we get a palindrome (6334774336).

The spelling of 1022252135 in words is "one billion, twenty-two million, two hundred fifty-two thousand, one hundred thirty-five".