1267054153072 has 80 divisors (see below), whose sum is σ = 2634155113600. Its totient is φ = 588641644800.

The previous prime is 1267054153067. The next prime is 1267054153073. The reversal of 1267054153072 is 2703514507621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267054153073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4528447 + ... + 4800097.

It is an arithmetic number, because the mean of its divisors is an integer number (32926938920).

Almost surely, 2^{1267054153072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1267054153072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1317077556800).

1267054153072 is an abundant number, since it is smaller than the sum of its proper divisors (1367100960528).

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

1267054153072 is a wasteful number, since it uses less digits than its factorization.

1267054153072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271974 (or 271968 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 1267054153072 in words is "one trillion, two hundred sixty-seven billion, fifty-four million, one hundred fifty-three thousand, seventy-two".