1268936 has 8 divisors (see below), whose sum is σ = 2379270. Its totient is φ = 634464.

The previous prime is 1268929. The next prime is 1268947. The reversal of 1268936 is 6398621.

It can be written as a sum of positive squares in only one way, i.e., 988036 + 280900 = 994^2 + 530^2 .

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

It is a super-2 number, since 2×1268936² = 3220397144192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1268896 and 1268905.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79301 + ... + 79316.

2^1268936 is an apocalyptic number.

It is an amenable number.

1268936 is a deficient number, since it is larger than the sum of its proper divisors (1110334).

1268936 is a wasteful number, since it uses less digits than its factorization.

1268936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158623 (or 158619 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 1268936 is about 1126.4705943787. The cubic root of 1268936 is about 108.2629623194.

The spelling of 1268936 in words is "one million, two hundred sixty-eight thousand, nine hundred thirty-six".