1264028 has 12 divisors (see below), whose sum is σ = 2263800. Its totient is φ = 617232.

The previous prime is 1264027. The next prime is 1264033. The reversal of 1264028 is 8204621.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1263994 and 1264012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3503 + ... + 3846.

It is an arithmetic number, because the mean of its divisors is an integer number (188650).

2^1264028 is an apocalyptic number.

It is an amenable number.

1264028 is a deficient number, since it is larger than the sum of its proper divisors (999772).

1264028 is a wasteful number, since it uses less digits than its factorization.

1264028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7396 (or 7394 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1264028 is about 1124.2899981766. The cubic root of 1264028 is about 108.1232018813.

Adding to 1264028 its reverse (8204621), we get a palindrome (9468649).

It can be divided in two parts, 126 and 4028, that multiplied together give a triangular number (507528 = T₁₀₀₇).

The spelling of 1264028 in words is "one million, two hundred sixty-four thousand, twenty-eight".