101158056 has 24 divisors (see below), whose sum is σ = 273969930. Its totient is φ = 33719328.

The previous prime is 101158019. The next prime is 101158073. The reversal of 101158056 is 650851101.

It can be written as a sum of positive squares in only one way, i.e., 71673156 + 29484900 = 8466^2 + 5430^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 702415 + ... + 702558.

Almost surely, 2^101158056 is an apocalyptic number.

It is an amenable number.

101158056 is an abundant number, since it is smaller than the sum of its proper divisors (172811874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101158056 is a wasteful number, since it uses less digits than its factorization.

101158056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404985 (or 1404978 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

The square root of 101158056 is about 10057.7361269821. The cubic root of 101158056 is about 465.9437510008.

The spelling of 101158056 in words is "one hundred one million, one hundred fifty-eight thousand, fifty-six".