123967490 has 8 divisors (see below), whose sum is σ = 223141500. Its totient is φ = 49586992.

The previous prime is 123967471. The next prime is 123967499. The reversal of 123967490 is 94769321.

It can be written as a sum of positive squares in 2 ways, for example, as 123187801 + 779689 = 11099^2 + 883^2 .

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

It is not an unprimeable number, because it can be changed into a prime (123967499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6198365 + ... + 6198384.

Almost surely, 2^123967490 is an apocalyptic number.

123967490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123967490 is a deficient number, since it is larger than the sum of its proper divisors (99174010).

123967490 is a wasteful number, since it uses less digits than its factorization.

123967490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12396756.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 123967490 is about 11134.0688878774. The cubic root of 123967490 is about 498.6195120137.

The spelling of 123967490 in words is "one hundred twenty-three million, nine hundred sixty-seven thousand, four hundred ninety".