101159620 has 12 divisors (see below), whose sum is σ = 212435244. Its totient is φ = 40463840.

The previous prime is 101159609. The next prime is 101159621. The reversal of 101159620 is 26951101.

It can be written as a sum of positive squares in 2 ways, for example, as 75898944 + 25260676 = 8712^2 + 5026^2 .

It is not an unprimeable number, because it can be changed into a prime (101159621) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2528971 + ... + 2529010.

It is an arithmetic number, because the mean of its divisors is an integer number (17702937).

Almost surely, 2^101159620 is an apocalyptic number.

101159620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101159620 is an abundant number, since it is smaller than the sum of its proper divisors (111275624).

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

101159620 is a wasteful number, since it uses less digits than its factorization.

101159620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057990 (or 5057988 counting only the distinct ones).

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

The square root of 101159620 is about 10057.8138777768. The cubic root of 101159620 is about 465.9461523000.

The spelling of 101159620 in words is "one hundred one million, one hundred fifty-nine thousand, six hundred twenty".