1122000253 has 4 divisors (see below), whose sum is σ = 1224000288. Its totient is φ = 1020000220.

The previous prime is 1122000251. The next prime is 1122000281. The reversal of 1122000253 is 3520002211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3520002211 = 11 ⋅320000201.

It is a cyclic number.

It is not a de Polignac number, because 1122000253 - 2¹ = 1122000251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122000251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51000001 + ... + 51000022.

It is an arithmetic number, because the mean of its divisors is an integer number (306000072).

Almost surely, 2^1122000253 is an apocalyptic number.

It is an amenable number.

1122000253 is a deficient number, since it is larger than the sum of its proper divisors (102000035).

1122000253 is a wasteful number, since it uses less digits than its factorization.

1122000253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102000034.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1122000253 is about 33496.2722254283. The cubic root of 1122000253 is about 1039.1166849492.

Adding to 1122000253 its reverse (3520002211), we get a palindrome (4642002464).

The spelling of 1122000253 in words is "one billion, one hundred twenty-two million, two hundred fifty-three", and thus it is an aban number.