1267053136 has 30 divisors (see below), whose sum is σ = 2513392890. Its totient is φ = 618778944.

The previous prime is 1267053127. The next prime is 1267053157. The reversal of 1267053136 is 6313507621.

It can be written as a sum of positive squares in only one way, i.e., 1207145536 + 59907600 = 34744^2 + 7740^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8170 + ... + 50998.

It is an arithmetic number, because the mean of its divisors is an integer number (83779763).

Almost surely, 2^1267053136 is an apocalyptic number.

1267053136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1267053136 is a deficient number, since it is larger than the sum of its proper divisors (1246339754).

1267053136 is an equidigital number, since it uses as much as digits as its factorization.

1267053136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42923 (or 42874 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1267053136 is about 35595.6898514413. The cubic root of 1267053136 is about 1082.0938847493.

The spelling of 1267053136 in words is "one billion, two hundred sixty-seven million, fifty-three thousand, one hundred thirty-six".