7961123 has 4 divisors (see below), whose sum is σ = 8040048. Its totient is φ = 7882200.

The previous prime is 7961119. The next prime is 7961131. The reversal of 7961123 is 3211697.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7961123 - 2² = 7961119 is a prime.

It is a super-2 number, since 2×7961123² = 126758958842258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7961143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39311 + ... + 39512.

It is an arithmetic number, because the mean of its divisors is an integer number (2010012).

Almost surely, 2^7961123 is an apocalyptic number.

7961123 is a deficient number, since it is larger than the sum of its proper divisors (78925).

7961123 is a wasteful number, since it uses less digits than its factorization.

7961123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78924.

The product of its digits is 2268, while the sum is 29.

The square root of 7961123 is about 2821.5462073126. The cubic root of 7961123 is about 199.6754987795.

The spelling of 7961123 in words is "seven million, nine hundred sixty-one thousand, one hundred twenty-three".