1120212157 has 2 divisors, whose sum is σ = 1120212158. Its totient is φ = 1120212156.

The previous prime is 1120212151. The next prime is 1120212167. The reversal of 1120212157 is 7512120211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1112489316 + 7722841 = 33354^2 + 2779^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120212157 - 2²³ = 1111823549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120212151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560106078 + 560106079.

It is an arithmetic number, because the mean of its divisors is an integer number (560106079).

Almost surely, 2^1120212157 is an apocalyptic number.

It is an amenable number.

1120212157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120212157 is an equidigital number, since it uses as much as digits as its factorization.

1120212157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1120212157 is about 33469.5706127222. The cubic root of 1120212157 is about 1038.5643890857.

Adding to 1120212157 its reverse (7512120211), we get a palindrome (8632332368).

The spelling of 1120212157 in words is "one billion, one hundred twenty million, two hundred twelve thousand, one hundred fifty-seven".