87212301 has 8 divisors (see below), whose sum is σ = 126854304. Its totient is φ = 52855920.

The previous prime is 87212291. The next prime is 87212303. The reversal of 87212301 is 10321278.

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

It is not a de Polignac number, because 87212301 - 2¹⁴ = 87195917 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87212303) 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, 1321366 + ... + 1321431.

It is an arithmetic number, because the mean of its divisors is an integer number (15856788).

Almost surely, 2^87212301 is an apocalyptic number.

It is an amenable number.

87212301 is a deficient number, since it is larger than the sum of its proper divisors (39642003).

87212301 is a wasteful number, since it uses less digits than its factorization.

87212301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642811.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 87212301 is about 9338.7526469010. The cubic root of 87212301 is about 443.4648969148.

Adding to 87212301 its reverse (10321278), we get a palindrome (97533579).

The spelling of 87212301 in words is "eighty-seven million, two hundred twelve thousand, three hundred one".