1130823121 has 2 divisors, whose sum is σ = 1130823122. Its totient is φ = 1130823120.

The previous prime is 1130823107. The next prime is 1130823131. The reversal of 1130823121 is 1213280311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616032400 + 514790721 = 24820^2 + 22689^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130823121 - 2¹¹ = 1130821073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1130823092 and 1130823101.

It is not a weakly prime, because it can be changed into another prime (1130823101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565411560 + 565411561.

It is an arithmetic number, because the mean of its divisors is an integer number (565411561).

Almost surely, 2^1130823121 is an apocalyptic number.

It is an amenable number.

1130823121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130823121 is an equidigital number, since it uses as much as digits as its factorization.

1130823121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1130823121 is about 33627.7135856722. The cubic root of 1130823121 is about 1041.8332805644.

The spelling of 1130823121 in words is "one billion, one hundred thirty million, eight hundred twenty-three thousand, one hundred twenty-one".