123049450 has 12 divisors (see below), whose sum is σ = 228872070. Its totient is φ = 49219760.

The previous prime is 123049391. The next prime is 123049469. The reversal of 123049450 is 54940321.

It can be written as a sum of positive squares in 3 ways, for example, as 48762289 + 74287161 = 6983^2 + 8619^2 .

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, 1230445 + ... + 1230544.

Almost surely, 2^123049450 is an apocalyptic number.

123049450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123049450 is a deficient number, since it is larger than the sum of its proper divisors (105822620).

123049450 is a wasteful number, since it uses less digits than its factorization.

123049450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461001 (or 2460996 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 123049450 is about 11092.7656605555. The cubic root of 123049450 is about 497.3856205323.

Adding to 123049450 its reverse (54940321), we get a palindrome (177989771).

The spelling of 123049450 in words is "one hundred twenty-three million, forty-nine thousand, four hundred fifty".