123147470 has 32 divisors (see below), whose sum is σ = 229134528. Its totient is φ = 47616768.

The previous prime is 123147449. The next prime is 123147481. The reversal of 123147470 is 74741321.

123147470 is nontrivially palindromic in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60794 + ... + 62786.

It is an arithmetic number, because the mean of its divisors is an integer number (7160454).

Almost surely, 2^123147470 is an apocalyptic number.

123147470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123147470 is a deficient number, since it is larger than the sum of its proper divisors (105987058).

123147470 is a wasteful number, since it uses less digits than its factorization.

123147470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 123147470 is about 11097.1829758728. The cubic root of 123147470 is about 497.5176563349.

Adding to 123147470 its reverse (74741321), we get a palindrome (197888791).

The spelling of 123147470 in words is "one hundred twenty-three million, one hundred forty-seven thousand, four hundred seventy".