8122742 has 8 divisors (see below), whose sum is σ = 12232296. Its totient is φ = 4045312.

The previous prime is 8122739. The next prime is 8122757. The reversal of 8122742 is 2472218.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7388 + ... + 8415.

It is an arithmetic number, because the mean of its divisors is an integer number (1529037).

Almost surely, 2^8122742 is an apocalyptic number.

8122742 is a deficient number, since it is larger than the sum of its proper divisors (4109554).

8122742 is a wasteful number, since it uses less digits than its factorization.

8122742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16062.

The product of its digits is 1792, while the sum is 26.

The square root of 8122742 is about 2850.0424558241. The cubic root of 8122742 is about 201.0176630271.

The spelling of 8122742 in words is "eight million, one hundred twenty-two thousand, seven hundred forty-two".