101421235 has 16 divisors (see below), whose sum is σ = 129425472. Its totient is φ = 76032000.

The previous prime is 101421233. The next prime is 101421239. The reversal of 101421235 is 532124101.

It is not a de Polignac number, because 101421235 - 2¹ = 101421233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101421233) 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, 18010 + ... + 22960.

It is an arithmetic number, because the mean of its divisors is an integer number (8089092).

Almost surely, 2^101421235 is an apocalyptic number.

101421235 is a deficient number, since it is larger than the sum of its proper divisors (28004237).

101421235 is a wasteful number, since it uses less digits than its factorization.

101421235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 101421235 is about 10070.8110398319. The cubic root of 101421235 is about 466.3474770259.

Adding to 101421235 its reverse (532124101), we get a palindrome (633545336).

The spelling of 101421235 in words is "one hundred one million, four hundred twenty-one thousand, two hundred thirty-five".