1208728 has 8 divisors (see below), whose sum is σ = 2266380. Its totient is φ = 604360.

The previous prime is 1208707. The next prime is 1208731. The reversal of 1208728 is 8278021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1208728² = 2922046755968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1208696 and 1208705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75538 + ... + 75553.

2^1208728 is an apocalyptic number.

It is an amenable number.

1208728 is a deficient number, since it is larger than the sum of its proper divisors (1057652).

1208728 is a wasteful number, since it uses less digits than its factorization.

1208728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151097 (or 151093 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1208728 is about 1099.4216661500. The cubic root of 1208728 is about 106.5228704731.

It can be divided in two parts, 1208 and 728, that added together give a square (1936 = 44²).

The spelling of 1208728 in words is "one million, two hundred eight thousand, seven hundred twenty-eight".