1266265038 has 8 divisors (see below), whose sum is σ = 2532530088. Its totient is φ = 422088344.

The previous prime is 1266265037. The next prime is 1266265073. The reversal of 1266265038 is 8305626621.

It is a sphenic number, since it is the product of 3 distinct primes.

1266265038 is an admirable number.

It is a super-2 number, since 2×1266265038² = 3206854292922282888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1266264987 and 1266265005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266265037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105522081 + ... + 105522092.

It is an arithmetic number, because the mean of its divisors is an integer number (316566261).

Almost surely, 2^1266265038 is an apocalyptic number.

1266265038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1266265038 is a wasteful number, since it uses less digits than its factorization.

1266265038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211044178.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1266265038 is about 35584.6179971066. The cubic root of 1266265038 is about 1081.8694866626.

The spelling of 1266265038 in words is "one billion, two hundred sixty-six million, two hundred sixty-five thousand, thirty-eight".