1267123346 has 8 divisors (see below), whose sum is σ = 1910236800. Its totient is φ = 630377748.

The previous prime is 1267123343. The next prime is 1267123367. The reversal of 1267123346 is 6433217621.

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

It is not an unprimeable number, because it can be changed into a prime (1267123343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591466 + ... + 1592261.

It is an arithmetic number, because the mean of its divisors is an integer number (238779600).

Almost surely, 2^1267123346 is an apocalyptic number.

1267123346 is a deficient number, since it is larger than the sum of its proper divisors (643113454).

1267123346 is a wasteful number, since it uses less digits than its factorization.

1267123346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183928.

The product of its digits is 36288, while the sum is 35.

The square root of 1267123346 is about 35596.6760526878. The cubic root of 1267123346 is about 1082.1138713903.

The spelling of 1267123346 in words is "one billion, two hundred sixty-seven million, one hundred twenty-three thousand, three hundred forty-six".