81114701 has 8 divisors (see below), whose sum is σ = 86506560. Its totient is φ = 75791808.

The previous prime is 81114697. The next prime is 81114713. The reversal of 81114701 is 10741118.

It is a happy number.

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 81114701 - 2² = 81114697 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 (81134701) 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, 14801 + ... + 19526.

It is an arithmetic number, because the mean of its divisors is an integer number (10813320).

Almost surely, 2^81114701 is an apocalyptic number.

It is an amenable number.

81114701 is a deficient number, since it is larger than the sum of its proper divisors (5391859).

81114701 is a wasteful number, since it uses less digits than its factorization.

81114701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34483.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 81114701 is about 9006.3700234889. The cubic root of 81114701 is about 432.8790062085.

Adding to 81114701 its reverse (10741118), we get a palindrome (91855819).

The spelling of 81114701 in words is "eighty-one million, one hundred fourteen thousand, seven hundred one".