1268155038 has 32 divisors (see below), whose sum is σ = 2673590400. Its totient is φ = 399901536.

The previous prime is 1268155033. The next prime is 1268155061. The reversal of 1268155038 is 8305518621.

It is a junction number, because it is equal to n+sod(n) for n = 1268154987 and 1268155005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268155033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76720 + ... + 91772.

It is an arithmetic number, because the mean of its divisors is an integer number (83549700).

Almost surely, 2^1268155038 is an apocalyptic number.

1268155038 is an abundant number, since it is smaller than the sum of its proper divisors (1405435362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1268155038 is a wasteful number, since it uses less digits than its factorization.

1268155038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 1268155038 is about 35611.1645133938. The cubic root of 1268155038 is about 1082.4074774736.

The spelling of 1268155038 in words is "one billion, two hundred sixty-eight million, one hundred fifty-five thousand, thirty-eight".