1129560101 has 2 divisors, whose sum is σ = 1129560102. Its totient is φ = 1129560100.

The previous prime is 1129560083. The next prime is 1129560137. The reversal of 1129560101 is 1010659211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129027201 + 532900 = 33601^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1129560101 - 2⁶ = 1129560037 is a prime.

It is a super-2 number, since 2×1129560101² = 2551812043542260402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1129560151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564780050 + 564780051.

It is an arithmetic number, because the mean of its divisors is an integer number (564780051).

Almost surely, 2^1129560101 is an apocalyptic number.

It is an amenable number.

1129560101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129560101 is an equidigital number, since it uses as much as digits as its factorization.

1129560101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 26.

The square root of 1129560101 is about 33608.9288880202. The cubic root of 1129560101 is about 1041.4452604151.

The spelling of 1129560101 in words is "one billion, one hundred twenty-nine million, five hundred sixty thousand, one hundred one".