1267000142 has 16 divisors (see below), whose sum is σ = 2008842000. Its totient is φ = 597663360.

The previous prime is 1267000099. The next prime is 1267000187. The reversal of 1267000142 is 2410007621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60017 + ... + 78332.

It is an arithmetic number, because the mean of its divisors is an integer number (125552625).

Almost surely, 2^1267000142 is an apocalyptic number.

1267000142 is a deficient number, since it is larger than the sum of its proper divisors (741841858).

1267000142 is a wasteful number, since it uses less digits than its factorization.

1267000142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138611.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1267000142 is about 35594.9454557807. The cubic root of 1267000142 is about 1082.0787984884.

Adding to 1267000142 its reverse (2410007621), we get a palindrome (3677007763).

The spelling of 1267000142 in words is "one billion, two hundred sixty-seven million, one hundred forty-two", and thus it is an aban number.