1090198037 has 2 divisors, whose sum is σ = 1090198038. Its totient is φ = 1090198036.

The previous prime is 1090198019. The next prime is 1090198051. The reversal of 1090198037 is 7308910901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1054365841 + 35832196 = 32471^2 + 5986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090198037 - 2⁶ = 1090197973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1090198097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545099018 + 545099019.

It is an arithmetic number, because the mean of its divisors is an integer number (545099019).

Almost surely, 2^1090198037 is an apocalyptic number.

It is an amenable number.

1090198037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090198037 is an equidigital number, since it uses as much as digits as its factorization.

1090198037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 1090198037 is about 33018.1470861101. The cubic root of 1090198037 is about 1029.2047894904.

The spelling of 1090198037 in words is "one billion, ninety million, one hundred ninety-eight thousand, thirty-seven".