102159061 has 2 divisors, whose sum is σ = 102159062. Its totient is φ = 102159060.

The previous prime is 102159049. The next prime is 102159073. The reversal of 102159061 is 160951201.

It is a balanced prime because it is at equal distance from previous prime (102159049) and next prime (102159073).

It can be written as a sum of positive squares in only one way, i.e., 85192900 + 16966161 = 9230^2 + 4119^2 .

It is a cyclic number.

It is not a de Polignac number, because 102159061 - 2⁹ = 102158549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102159011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51079530 + 51079531.

It is an arithmetic number, because the mean of its divisors is an integer number (51079531).

Almost surely, 2^102159061 is an apocalyptic number.

It is an amenable number.

102159061 is a deficient number, since it is larger than the sum of its proper divisors (1).

102159061 is an equidigital number, since it uses as much as digits as its factorization.

102159061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 102159061 is about 10107.3765636786. The cubic root of 102159061 is about 467.4756177052.

The spelling of 102159061 in words is "one hundred two million, one hundred fifty-nine thousand, sixty-one".