1002112253 has 2 divisors, whose sum is σ = 1002112254. Its totient is φ = 1002112252.

The previous prime is 1002112219. The next prime is 1002112261. The reversal of 1002112253 is 3522112001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 873675364 + 128436889 = 29558^2 + 11333^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002112253 - 2¹⁴ = 1002095869 is a prime.

It is a super-2 number, since 2×1002112253² = 2008457935225472018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002132253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501056126 + 501056127.

It is an arithmetic number, because the mean of its divisors is an integer number (501056127).

Almost surely, 2^1002112253 is an apocalyptic number.

It is an amenable number.

1002112253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002112253 is an equidigital number, since it uses as much as digits as its factorization.

1002112253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1002112253 is about 31656.1566365849. The cubic root of 1002112253 is about 1000.7035891795.

Adding to 1002112253 its reverse (3522112001), we get a palindrome (4524224254).

The spelling of 1002112253 in words is "one billion, two million, one hundred twelve thousand, two hundred fifty-three".