252220127 has 2 divisors, whose sum is σ = 252220128. Its totient is φ = 252220126.

The previous prime is 252220091. The next prime is 252220147. The reversal of 252220127 is 721022252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252220127 is a prime.

It is a super-2 number, since 2×252220127² = 127229984927792258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252220147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126110063 + 126110064.

It is an arithmetic number, because the mean of its divisors is an integer number (126110064).

Almost surely, 2^252220127 is an apocalyptic number.

252220127 is a deficient number, since it is larger than the sum of its proper divisors (1).

252220127 is an equidigital number, since it uses as much as digits as its factorization.

252220127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 252220127 is about 15881.4397017399. The cubic root of 252220127 is about 631.8198217548.

Adding to 252220127 its reverse (721022252), we get a palindrome (973242379).

The spelling of 252220127 in words is "two hundred fifty-two million, two hundred twenty thousand, one hundred twenty-seven".