1011130457 has 2 divisors, whose sum is σ = 1011130458. Its totient is φ = 1011130456.

The previous prime is 1011130451. The next prime is 1011130469. The reversal of 1011130457 is 7540311101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697805056 + 313325401 = 26416^2 + 17701^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011130457 - 2²⁰ = 1010081881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011130451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505565228 + 505565229.

It is an arithmetic number, because the mean of its divisors is an integer number (505565229).

Almost surely, 2^1011130457 is an apocalyptic number.

It is an amenable number.

1011130457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011130457 is an equidigital number, since it uses as much as digits as its factorization.

1011130457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1011130457 is about 31798.2775791394. The cubic root of 1011130457 is about 1003.6964715950.

Adding to 1011130457 its reverse (7540311101), we get a palindrome (8551441558).

The spelling of 1011130457 in words is "one billion, eleven million, one hundred thirty thousand, four hundred fifty-seven".