1002120227 has 2 divisors, whose sum is σ = 1002120228. Its totient is φ = 1002120226.

The previous prime is 1002120181. The next prime is 1002120239. The reversal of 1002120227 is 7220212001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002120227 - 2⁸ = 1002119971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002120277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501060113 + 501060114.

It is an arithmetic number, because the mean of its divisors is an integer number (501060114).

Almost surely, 2^1002120227 is an apocalyptic number.

1002120227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002120227 is an equidigital number, since it uses as much as digits as its factorization.

1002120227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1002120227 is about 31656.2825833988. The cubic root of 1002120227 is about 1000.7062434361.

Adding to 1002120227 its reverse (7220212001), we get a palindrome (8222332228).

The spelling of 1002120227 in words is "one billion, two million, one hundred twenty thousand, two hundred twenty-seven".