1268151028 has 12 divisors (see below), whose sum is σ = 2220285312. Its totient is φ = 633783800.

The previous prime is 1268150993. The next prime is 1268151047. The reversal of 1268151028 is 8201518621.

It is a junction number, because it is equal to n+sod(n) for n = 1268150984 and 1268151002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62998 + ... + 80653.

It is an arithmetic number, because the mean of its divisors is an integer number (185023776).

Almost surely, 2^1268151028 is an apocalyptic number.

It is an amenable number.

1268151028 is a deficient number, since it is larger than the sum of its proper divisors (952134284).

1268151028 is a wasteful number, since it uses less digits than its factorization.

1268151028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145862 (or 145860 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 1268151028 is about 35611.1082107816. The cubic root of 1268151028 is about 1082.4063365882.

Adding to 1268151028 its reverse (8201518621), we get a palindrome (9469669649).

The spelling of 1268151028 in words is "one billion, two hundred sixty-eight million, one hundred fifty-one thousand, twenty-eight".