101041421 has 8 divisors (see below), whose sum is σ = 115214904. Its totient is φ = 87782400.

The previous prime is 101041397. The next prime is 101041429. The reversal of 101041421 is 124140101.

It can be written as a sum of positive squares in 4 ways, for example, as 43494025 + 57547396 = 6595^2 + 7586^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101041421 - 2¹⁰ = 101040397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101041396 and 101041405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101041429) 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 7 ways as a sum of consecutive naturals, for example, 228380 + ... + 228821.

It is an arithmetic number, because the mean of its divisors is an integer number (14401863).

Almost surely, 2^101041421 is an apocalyptic number.

It is an amenable number.

101041421 is a deficient number, since it is larger than the sum of its proper divisors (14173483).

101041421 is a wasteful number, since it uses less digits than its factorization.

101041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457231.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 101041421 is about 10051.9361816518. The cubic root of 101041421 is about 465.7646047827.

Adding to 101041421 its reverse (124140101), we get a palindrome (225181522).

The spelling of 101041421 in words is "one hundred one million, forty-one thousand, four hundred twenty-one".