421101147 has 8 divisors (see below), whose sum is σ = 565567056. Its totient is φ = 278684672.

The previous prime is 421101137. The next prime is 421101211. The reversal of 421101147 is 741101124.

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 421101147 - 2⁷ = 421101019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421101127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511878 + ... + 512699.

It is an arithmetic number, because the mean of its divisors is an integer number (70695882).

Almost surely, 2^421101147 is an apocalyptic number.

421101147 is a deficient number, since it is larger than the sum of its proper divisors (144465909).

421101147 is a wasteful number, since it uses less digits than its factorization.

421101147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024717.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 421101147 is about 20520.7491822302. The cubic root of 421101147 is about 749.5411397647.

The spelling of 421101147 in words is "four hundred twenty-one million, one hundred one thousand, one hundred forty-seven".