101187157 has 2 divisors, whose sum is σ = 101187158. Its totient is φ = 101187156.

The previous prime is 101187113. The next prime is 101187161. The reversal of 101187157 is 751781101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72607441 + 28579716 = 8521^2 + 5346^2 .

It is an emirp because it is prime and its reverse (751781101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101187157 - 2⁷ = 101187029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101187187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50593578 + 50593579.

It is an arithmetic number, because the mean of its divisors is an integer number (50593579).

Almost surely, 2^101187157 is an apocalyptic number.

It is an amenable number.

101187157 is a deficient number, since it is larger than the sum of its proper divisors (1).

101187157 is an equidigital number, since it uses as much as digits as its factorization.

101187157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 31.

The square root of 101187157 is about 10059.1827202810. The cubic root of 101187157 is about 465.9884273867.

The spelling of 101187157 in words is "one hundred one million, one hundred eighty-seven thousand, one hundred fifty-seven".