1111057 has 2 divisors, whose sum is σ = 1111058. Its totient is φ = 1111056.

The previous prime is 1111049. The next prime is 1111067. The reversal of 1111057 is 7501111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008016 + 103041 = 1004^2 + 321^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111057 - 2³ = 1111049 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111057.

It is not a weakly prime, because it can be changed into another prime (1111007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555528 + 555529.

It is an arithmetic number, because the mean of its divisors is an integer number (555529).

2^1111057 is an apocalyptic number.

It is an amenable number.

1111057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111057 is an equidigital number, since it uses as much as digits as its factorization.

1111057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35, while the sum is 16.

The square root of 1111057 is about 1054.0668859233. The cubic root of 1111057 is about 103.5727354798.

Adding to 1111057 its reverse (7501111), we get a palindrome (8612168).

The spelling of 1111057 in words is "one million, one hundred eleven thousand, fifty-seven".