147212401 has 8 divisors (see below), whose sum is σ = 178139520. Its totient is φ = 118759488.

The previous prime is 147212393. The next prime is 147212407. The reversal of 147212401 is 104212741.

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 147212401 - 2³ = 147212393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147212407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618421 + ... + 618658.

It is an arithmetic number, because the mean of its divisors is an integer number (22267440).

Almost surely, 2^147212401 is an apocalyptic number.

It is an amenable number.

147212401 is a deficient number, since it is larger than the sum of its proper divisors (30927119).

147212401 is a wasteful number, since it uses less digits than its factorization.

147212401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237103.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 147212401 is about 12133.1117607974. Note that the first 3 decimals coincide. The cubic root of 147212401 is about 528.0172756534.

The spelling of 147212401 in words is "one hundred forty-seven million, two hundred twelve thousand, four hundred one".