123037028 has 12 divisors (see below), whose sum is σ = 224676480. Its totient is φ = 58843752.

The previous prime is 123037001. The next prime is 123037063. The reversal of 123037028 is 820730321.

It is a super-2 number, since 2×123037028² = 30276220518145568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123036988 and 123037006.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668588 + ... + 668771.

It is an arithmetic number, because the mean of its divisors is an integer number (18723040).

Almost surely, 2^123037028 is an apocalyptic number.

It is an amenable number.

123037028 is a deficient number, since it is larger than the sum of its proper divisors (101639452).

123037028 is a wasteful number, since it uses less digits than its factorization.

123037028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337386 (or 1337384 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 123037028 is about 11092.2057319543. The cubic root of 123037028 is about 497.3688827300.

Adding to 123037028 its reverse (820730321), we get a palindrome (943767349).

The spelling of 123037028 in words is "one hundred twenty-three million, thirty-seven thousand, twenty-eight".