1267956252 has 18 divisors (see below), whose sum is σ = 3205111728. Its totient is φ = 422652072.

The previous prime is 1267956251. The next prime is 1267956289. The reversal of 1267956252 is 2526597621.

1267956252 is a `hidden beast` number, since 12 + 6 + 7 + 9 + 5 + 625 + 2 = 666.

1267956252 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1267956198 and 1267956207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267956251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17610468 + ... + 17610539.

Almost surely, 2^1267956252 is an apocalyptic number.

1267956252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1267956252 is an abundant number, since it is smaller than the sum of its proper divisors (1937155476).

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

1267956252 is a wasteful number, since it uses less digits than its factorization.

1267956252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35221017 (or 35221012 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 1267956252 is about 35608.3733411118. The cubic root of 1267956252 is about 1082.3509179600.

The spelling of 1267956252 in words is "one billion, two hundred sixty-seven million, nine hundred fifty-six thousand, two hundred fifty-two".