1267120993 has 8 divisors (see below), whose sum is σ = 1364398560. Its totient is φ = 1172370240.

The previous prime is 1267120973. The next prime is 1267120997. The reversal of 1267120993 is 3990217621.

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

It is a cyclic number.

It is not a de Polignac number, because 1267120993 - 2⁵ = 1267120961 is a prime.

It is a super-2 number, since 2×1267120993² = 3211191221802612098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1267120997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630663 + ... + 632668.

It is an arithmetic number, because the mean of its divisors is an integer number (170549820).

Almost surely, 2^1267120993 is an apocalyptic number.

It is an amenable number.

1267120993 is a deficient number, since it is larger than the sum of its proper divisors (97277567).

1267120993 is a wasteful number, since it uses less digits than its factorization.

1267120993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263407.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1267120993 is about 35596.6430018338. The cubic root of 1267120993 is about 1082.1132015751.

The spelling of 1267120993 in words is "one billion, two hundred sixty-seven million, one hundred twenty thousand, nine hundred ninety-three".