101454421 has 4 divisors (see below), whose sum is σ = 101591712. Its totient is φ = 101317132.

The previous prime is 101454401. The next prime is 101454439. The reversal of 101454421 is 124454101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124454101 = 83 ⋅1499447.

It is a cyclic number.

It is not a de Polignac number, because 101454421 - 2¹⁹ = 100930133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101454392 and 101454401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101454401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67531 + ... + 69016.

It is an arithmetic number, because the mean of its divisors is an integer number (25397928).

Almost surely, 2^101454421 is an apocalyptic number.

It is an amenable number.

101454421 is a deficient number, since it is larger than the sum of its proper divisors (137291).

101454421 is an equidigital number, since it uses as much as digits as its factorization.

101454421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137290.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 101454421 is about 10072.4585380134. The cubic root of 101454421 is about 466.3983359336.

The spelling of 101454421 in words is "one hundred one million, four hundred fifty-four thousand, four hundred twenty-one".