101421344 has 12 divisors (see below), whose sum is σ = 199673334. Its totient is φ = 50710656.

The previous prime is 101421289. The next prime is 101421361. The reversal of 101421344 is 443124101.

It can be written as a sum of positive squares in only one way, i.e., 73753744 + 27667600 = 8588^2 + 5260^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1584677 + ... + 1584740.

Almost surely, 2^101421344 is an apocalyptic number.

It is an amenable number.

101421344 is a deficient number, since it is larger than the sum of its proper divisors (98251990).

101421344 is an equidigital number, since it uses as much as digits as its factorization.

101421344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169427 (or 3169419 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 101421344 is about 10070.8164515098. The cubic root of 101421344 is about 466.3476440911.

Adding to 101421344 its reverse (443124101), we get a palindrome (544545445).

The spelling of 101421344 in words is "one hundred one million, four hundred twenty-one thousand, three hundred forty-four".