123190620 has 48 divisors (see below), whose sum is σ = 394211328. Its totient is φ = 28157760.

The previous prime is 123190597. The next prime is 123190633. The reversal of 123190620 is 26091321.

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, 146236 + ... + 147075.

It is an arithmetic number, because the mean of its divisors is an integer number (8212736).

Almost surely, 2^123190620 is an apocalyptic number.

123190620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123190620 is an abundant number, since it is smaller than the sum of its proper divisors (271020708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123190620 is a wasteful number, since it uses less digits than its factorization.

123190620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293330 (or 293328 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 123190620 is about 11099.1269926963. The cubic root of 123190620 is about 497.5757584352.

The spelling of 123190620 in words is "one hundred twenty-three million, one hundred ninety thousand, six hundred twenty".