123531050 has 12 divisors (see below), whose sum is σ = 229767846. Its totient is φ = 49412400.

The previous prime is 123531047. The next prime is 123531071. The reversal of 123531050 is 50135321.

It can be written as a sum of positive squares in 3 ways, for example, as 112126921 + 11404129 = 10589^2 + 3377^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 1235261 + ... + 1235360.

Almost surely, 2^123531050 is an apocalyptic number.

123531050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123531050 is a deficient number, since it is larger than the sum of its proper divisors (106236796).

123531050 is a wasteful number, since it uses less digits than its factorization.

123531050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470633 (or 2470628 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 123531050 is about 11114.4523031952. The cubic root of 123531050 is about 498.0336772868.

Adding to 123531050 its reverse (50135321), we get a palindrome (173666371).

The spelling of 123531050 in words is "one hundred twenty-three million, five hundred thirty-one thousand, fifty".