100827157 has 4 divisors (see below), whose sum is σ = 100936620. Its totient is φ = 100717696.

The previous prime is 100827151. The next prime is 100827179. The reversal of 100827157 is 751728001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 751728001 = 37 ⋅20316973.

It can be written as a sum of positive squares in 2 ways, for example, as 1745041 + 99082116 = 1321^2 + 9954^2 .

It is a cyclic number.

It is not a de Polignac number, because 100827157 - 2³ = 100827149 is a prime.

It is a super-2 number, since 2×100827157² = 20332231177405298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100827151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53338 + ... + 55195.

It is an arithmetic number, because the mean of its divisors is an integer number (25234155).

Almost surely, 2^100827157 is an apocalyptic number.

It is an amenable number.

100827157 is a deficient number, since it is larger than the sum of its proper divisors (109463).

100827157 is an equidigital number, since it uses as much as digits as its factorization.

100827157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109462.

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 100827157 is about 10041.2726783013. The cubic root of 100827157 is about 465.4351451382.

The spelling of 100827157 in words is "one hundred million, eight hundred twenty-seven thousand, one hundred fifty-seven".