123131150 has 12 divisors (see below), whose sum is σ = 229024032. Its totient is φ = 49252440.

The previous prime is 123131147. The next prime is 123131179. The reversal of 123131150 is 51131321.

It is a super-2 number, since 2×123131150² = 30322560200645000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1231262 + ... + 1231361.

It is an arithmetic number, because the mean of its divisors is an integer number (19085336).

Almost surely, 2^123131150 is an apocalyptic number.

123131150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123131150 is a deficient number, since it is larger than the sum of its proper divisors (105892882).

123131150 is a wasteful number, since it uses less digits than its factorization.

123131150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462635 (or 2462630 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 123131150 is about 11096.4476297597. The cubic root of 123131150 is about 497.4956776810.

Adding to 123131150 its reverse (51131321), we get a palindrome (174262471).

The spelling of 123131150 in words is "one hundred twenty-three million, one hundred thirty-one thousand, one hundred fifty".