101155061 has 6 divisors (see below), whose sum is σ = 117670230. Its totient is φ = 86704296.

The previous prime is 101155039. The next prime is 101155129. The reversal of 101155061 is 160551101.

It can be written as a sum of positive squares in only one way, i.e., 91968100 + 9186961 = 9590^2 + 3031^2 .

It is not a de Polignac number, because 101155061 - 2²⁶ = 34046197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101155361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1032146 + ... + 1032243.

It is an arithmetic number, because the mean of its divisors is an integer number (19611705).

Almost surely, 2^101155061 is an apocalyptic number.

It is an amenable number.

101155061 is a deficient number, since it is larger than the sum of its proper divisors (16515169).

101155061 is an equidigital number, since it uses as much as digits as its factorization.

101155061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064403 (or 2064396 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 101155061 is about 10057.5872355153. The cubic root of 101155061 is about 465.9391525359.

The spelling of 101155061 in words is "one hundred one million, one hundred fifty-five thousand, sixty-one".