123542229 has 8 divisors (see below), whose sum is σ = 164774592. Its totient is φ = 82335680.

The previous prime is 123542203. The next prime is 123542231. The reversal of 123542229 is 922245321.

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 123542229 - 2⁸ = 123541973 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123542196 and 123542205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123542249) 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, 13789 + ... + 20909.

It is an arithmetic number, because the mean of its divisors is an integer number (20596824).

Almost surely, 2^123542229 is an apocalyptic number.

It is an amenable number.

123542229 is a deficient number, since it is larger than the sum of its proper divisors (41232363).

123542229 is an equidigital number, since it uses as much as digits as its factorization.

123542229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12907.

The product of its digits is 8640, while the sum is 30.

The square root of 123542229 is about 11114.9551955912. The cubic root of 123542229 is about 498.0487000970.

The spelling of 123542229 in words is "one hundred twenty-three million, five hundred forty-two thousand, two hundred twenty-nine".