1122051157 has 2 divisors, whose sum is σ = 1122051158. Its totient is φ = 1122051156.

The previous prime is 1122051143. The next prime is 1122051167. The reversal of 1122051157 is 7511502211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813732676 + 308318481 = 28526^2 + 17559^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122051157 - 2¹⁵ = 1122018389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122051167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561025578 + 561025579.

It is an arithmetic number, because the mean of its divisors is an integer number (561025579).

Almost surely, 2^1122051157 is an apocalyptic number.

It is an amenable number.

1122051157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122051157 is an equidigital number, since it uses as much as digits as its factorization.

1122051157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 25.

The square root of 1122051157 is about 33497.0320625574. The cubic root of 1122051157 is about 1039.1323992641.

Adding to 1122051157 its reverse (7511502211), we get a palindrome (8633553368).

The spelling of 1122051157 in words is "one billion, one hundred twenty-two million, fifty-one thousand, one hundred fifty-seven".