8101240 has 32 divisors (see below), whose sum is σ = 20832480. Its totient is φ = 2777472.

The previous prime is 8101217. The next prime is 8101241. The reversal of 8101240 is 421018.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8101241) 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, 14187 + ... + 14746.

It is an arithmetic number, because the mean of its divisors is an integer number (651015).

Almost surely, 2^8101240 is an apocalyptic number.

It is an amenable number.

8101240 is an abundant number, since it is smaller than the sum of its proper divisors (12731240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8101240 is a wasteful number, since it uses less digits than its factorization.

8101240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28951 (or 28947 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 8101240 is about 2846.2677316092. The cubic root of 8101240 is about 200.8401326111.

Adding to 8101240 its reverse (421018), we get a palindrome (8522258).

The spelling of 8101240 in words is "eight million, one hundred one thousand, two hundred forty".