1067281521252 has 48 divisors (see below), whose sum is σ = 2637096642432. Its totient is φ = 334797422080.

The previous prime is 1067281521227. The next prime is 1067281521323. The reversal of 1067281521252 is 2521251827601.

It is a super-2 number, since 2×1067281521252² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1653553 + ... + 2206535.

It is an arithmetic number, because the mean of its divisors is an integer number (54939513384).

Almost surely, 2^{1067281521252} is an apocalyptic number.

1067281521252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1067281521252 is an abundant number, since it is smaller than the sum of its proper divisors (1569815121180).

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

1067281521252 is a wasteful number, since it uses less digits than its factorization.

1067281521252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562468 (or 562466 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 1067281521252 in words is "one trillion, sixty-seven billion, two hundred eighty-one million, five hundred twenty-one thousand, two hundred fifty-two".