189101051 has 2 divisors, whose sum is σ = 189101052. Its totient is φ = 189101050.

The previous prime is 189101039. The next prime is 189101063. The reversal of 189101051 is 150101981.

It is a balanced prime because it is at equal distance from previous prime (189101039) and next prime (189101063).

It is an emirp because it is prime and its reverse (150101981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 189101051 - 2¹⁴ = 189084667 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189101051.

It is not a weakly prime, because it can be changed into another prime (189101071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94550525 + 94550526.

It is an arithmetic number, because the mean of its divisors is an integer number (94550526).

Almost surely, 2^189101051 is an apocalyptic number.

189101051 is a deficient number, since it is larger than the sum of its proper divisors (1).

189101051 is an equidigital number, since it uses as much as digits as its factorization.

189101051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 189101051 is about 13751.4017830911. The cubic root of 189101051 is about 573.9816136510.

The spelling of 189101051 in words is "one hundred eighty-nine million, one hundred one thousand, fifty-one".