123725396 has 6 divisors (see below), whose sum is σ = 216519450. Its totient is φ = 61862696.

The previous prime is 123725389. The next prime is 123725411. The reversal of 123725396 is 693527321.

It can be written as a sum of positive squares in only one way, i.e., 121793296 + 1932100 = 11036^2 + 1390^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15465671 + ... + 15465678.

It is an arithmetic number, because the mean of its divisors is an integer number (36086575).

Almost surely, 2^123725396 is an apocalyptic number.

It is an amenable number.

123725396 is a deficient number, since it is larger than the sum of its proper divisors (92794054).

123725396 is a wasteful number, since it uses less digits than its factorization.

123725396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30931353 (or 30931351 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 123725396 is about 11123.1918081098. The cubic root of 123725396 is about 498.2947186429.

The spelling of 123725396 in words is "one hundred twenty-three million, seven hundred twenty-five thousand, three hundred ninety-six".