1012153189 has 2 divisors, whose sum is σ = 1012153190. Its totient is φ = 1012153188.

The previous prime is 1012153159. The next prime is 1012153217. The reversal of 1012153189 is 9813512101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 686964100 + 325189089 = 26210^2 + 18033^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012153189 - 2⁹ = 1012152677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012153189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012153139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506076594 + 506076595.

It is an arithmetic number, because the mean of its divisors is an integer number (506076595).

Almost surely, 2^1012153189 is an apocalyptic number.

It is an amenable number.

1012153189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012153189 is an equidigital number, since it uses as much as digits as its factorization.

1012153189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 1012153189 is about 31814.3550775432. The cubic root of 1012153189 is about 1004.0347618028.

The spelling of 1012153189 in words is "one billion, twelve million, one hundred fifty-three thousand, one hundred eighty-nine".