101159421 has 16 divisors (see below), whose sum is σ = 149007360. Its totient is φ = 60531120.

The previous prime is 101159419. The next prime is 101159441. The reversal of 101159421 is 124951101.

It is a happy number.

It is not a de Polignac number, because 101159421 - 2¹ = 101159419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101159391 and 101159400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101159441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16795 + ... + 22008.

It is an arithmetic number, because the mean of its divisors is an integer number (9312960).

Almost surely, 2^101159421 is an apocalyptic number.

101159421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101159421 is a deficient number, since it is larger than the sum of its proper divisors (47847939).

101159421 is a wasteful number, since it uses less digits than its factorization.

101159421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38896.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 101159421 is about 10057.8039849661. The cubic root of 101159421 is about 465.9458467652.

The spelling of 101159421 in words is "one hundred one million, one hundred fifty-nine thousand, four hundred twenty-one".