1100201957 has 2 divisors, whose sum is σ = 1100201958. Its totient is φ = 1100201956.

The previous prime is 1100201923. The next prime is 1100201983. The reversal of 1100201957 is 7591020011.

It is an a-pointer prime, because the next prime (1100201983) can be obtained adding 1100201957 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 823345636 + 276856321 = 28694^2 + 16639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100201957 - 2¹⁶ = 1100136421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100201057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550100978 + 550100979.

It is an arithmetic number, because the mean of its divisors is an integer number (550100979).

Almost surely, 2^1100201957 is an apocalyptic number.

It is an amenable number.

1100201957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100201957 is an equidigital number, since it uses as much as digits as its factorization.

1100201957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 1100201957 is about 33169.2923801519. The cubic root of 1100201957 is about 1032.3432861952.

Adding to 1100201957 its reverse (7591020011), we get a palindrome (8691221968).

The spelling of 1100201957 in words is "one billion, one hundred million, two hundred one thousand, nine hundred fifty-seven".