101421329 has 8 divisors (see below), whose sum is σ = 108692160. Its totient is φ = 94388976.

The previous prime is 101421289. The next prime is 101421361. The reversal of 101421329 is 923124101.

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 101421329 - 2²⁴ = 84644113 is a prime.

It is a super-2 number, since 2×101421329² = 20572571952252482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101421389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58739 + ... + 60440.

It is an arithmetic number, because the mean of its divisors is an integer number (13586520).

Almost surely, 2^101421329 is an apocalyptic number.

It is an amenable number.

101421329 is a deficient number, since it is larger than the sum of its proper divisors (7270831).

101421329 is a wasteful number, since it uses less digits than its factorization.

101421329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119239.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 101421329 is about 10070.8157067836. The cubic root of 101421329 is about 466.3476211005.

The spelling of 101421329 in words is "one hundred one million, four hundred twenty-one thousand, three hundred twenty-nine".