1267055436 has 36 divisors (see below), whose sum is σ = 3054936696. Its totient is φ = 408723840.

The previous prime is 1267055401. The next prime is 1267055437. The reversal of 1267055436 is 6345507621.

1267055436 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1267055394 and 1267055403.

It is not an unprimeable number, because it can be changed into a prime (1267055437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43405 + ... + 66468.

Almost surely, 2^1267055436 is an apocalyptic number.

It is an amenable number.

1267055436 is an abundant number, since it is smaller than the sum of its proper divisors (1787881260).

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

1267055436 is a wasteful number, since it uses less digits than its factorization.

1267055436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109942 (or 109909 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 1267055436 is about 35595.7221587089. The cubic root of 1267055436 is about 1082.0945395007.

The spelling of 1267055436 in words is "one billion, two hundred sixty-seven million, fifty-five thousand, four hundred thirty-six".