201329421 has 8 divisors (see below), whose sum is σ = 270149664. Its totient is φ = 133364400.

The previous prime is 201329411. The next prime is 201329441. The reversal of 201329421 is 124923102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201329421 - 2⁵ = 201329389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201329391 and 201329400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201329411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213255 + ... + 214196.

It is an arithmetic number, because the mean of its divisors is an integer number (33768708).

Almost surely, 2^201329421 is an apocalyptic number.

It is an amenable number.

201329421 is a deficient number, since it is larger than the sum of its proper divisors (68820243).

201329421 is a wasteful number, since it uses less digits than its factorization.

201329421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427611.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 201329421 is about 14189.0599054342. The cubic root of 201329421 is about 586.0964373973.

The spelling of 201329421 in words is "two hundred one million, three hundred twenty-nine thousand, four hundred twenty-one".