7661123 has 8 divisors (see below), whose sum is σ = 8325120. Its totient is φ = 7023240.

The previous prime is 7661119. The next prime is 7661189. The reversal of 7661123 is 3211667.

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 7661123 - 2² = 7661119 is a prime.

It is a super-2 number, since 2×7661123² = 117385611242258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7661092 and 7661101.

It is not an unprimeable number, because it can be changed into a prime (7661723) 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, 5915 + ... + 7092.

It is an arithmetic number, because the mean of its divisors is an integer number (1040640).

Almost surely, 2^7661123 is an apocalyptic number.

7661123 is a deficient number, since it is larger than the sum of its proper divisors (663997).

7661123 is a wasteful number, since it uses less digits than its factorization.

7661123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13057.

The product of its digits is 1512, while the sum is 26.

The square root of 7661123 is about 2767.8733713810. The cubic root of 7661123 is about 197.1351851117.

The spelling of 7661123 in words is "seven million, six hundred sixty-one thousand, one hundred twenty-three".