123197054 has 8 divisors (see below), whose sum is σ = 187553928. Its totient is φ = 60679080.

The previous prime is 123197047. The next prime is 123197057. The reversal of 123197054 is 450791321.

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

It is a super-2 number, since 2×123197054² = 30355028228557832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123197054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123197057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459557 + ... + 459824.

It is an arithmetic number, because the mean of its divisors is an integer number (23444241).

Almost surely, 2^123197054 is an apocalyptic number.

123197054 is a deficient number, since it is larger than the sum of its proper divisors (64356874).

123197054 is an equidigital number, since it uses as much as digits as its factorization.

123197054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919450.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 123197054 is about 11099.4168315277. The cubic root of 123197054 is about 497.5844207470.

The spelling of 123197054 in words is "one hundred twenty-three million, one hundred ninety-seven thousand, fifty-four".