123081670 has 32 divisors (see below), whose sum is σ = 226540800. Its totient is φ = 48132576.

The previous prime is 123081667. The next prime is 123081689. The reversal of 123081670 is 76180321.

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, 133471 + ... + 134389.

It is an arithmetic number, because the mean of its divisors is an integer number (7079400).

Almost surely, 2^123081670 is an apocalyptic number.

123081670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123081670 is a deficient number, since it is larger than the sum of its proper divisors (103459130).

123081670 is a wasteful number, since it uses less digits than its factorization.

123081670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 123081670 is about 11094.2178633737. The cubic root of 123081670 is about 497.4290295470.

The spelling of 123081670 in words is "one hundred twenty-three million, eighty-one thousand, six hundred seventy".