10072191 has 8 divisors (see below), whose sum is σ = 13742080. Its totient is φ = 6558552.

The previous prime is 10072171. The next prime is 10072199. The reversal of 10072191 is 19127001.

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

It is not a de Polignac number, because 10072191 - 2⁷ = 10072063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10072199) 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, 38911 + ... + 39168.

It is an arithmetic number, because the mean of its divisors is an integer number (1717760).

Almost surely, 2^10072191 is an apocalyptic number.

10072191 is a deficient number, since it is larger than the sum of its proper divisors (3669889).

10072191 is an equidigital number, since it uses as much as digits as its factorization.

10072191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78125.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 10072191 is about 3173.6715330985. The cubic root of 10072191 is about 215.9606624180.

Adding to 10072191 its reverse (19127001), we get a palindrome (29199192).

The spelling of 10072191 in words is "ten million, seventy-two thousand, one hundred ninety-one".