1267054153242 has 8 divisors (see below), whose sum is σ = 2534108306496. Its totient is φ = 422351384412.

The previous prime is 1267054153241. The next prime is 1267054153297. The reversal of 1267054153242 is 2423514507621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1267054153242 is an admirable number.

It is a super-2 number, since 2×1267054153242² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1267054153194 and 1267054153203.

It is not an unprimeable number, because it can be changed into a prime (1267054153241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105587846098 + ... + 105587846109.

It is an arithmetic number, because the mean of its divisors is an integer number (316763538312).

Almost surely, 2^{1267054153242} is an apocalyptic number.

1267054153242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1267054153242 is a wasteful number, since it uses less digits than its factorization.

1267054153242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211175692212.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 1267054153242 in words is "one trillion, two hundred sixty-seven billion, fifty-four million, one hundred fifty-three thousand, two hundred forty-two".