101413421 has 4 divisors (see below), whose sum is σ = 101678592. Its totient is φ = 101148252.

The previous prime is 101413399. The next prime is 101413457. The reversal of 101413421 is 124314101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101413421 - 2¹⁰ = 101412397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101413421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101413471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132011 + ... + 132776.

It is an arithmetic number, because the mean of its divisors is an integer number (25419648).

Almost surely, 2^101413421 is an apocalyptic number.

It is an amenable number.

101413421 is a deficient number, since it is larger than the sum of its proper divisors (265171).

101413421 is an equidigital number, since it uses as much as digits as its factorization.

101413421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265170.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 101413421 is about 10070.4230794937. The cubic root of 101413421 is about 466.3355001364.

Adding to 101413421 its reverse (124314101), we get a palindrome (225727522).

The spelling of 101413421 in words is "one hundred one million, four hundred thirteen thousand, four hundred twenty-one".