1267264201 has 32 divisors (see below), whose sum is σ = 1564323840. Its totient is φ = 1001984256.

The previous prime is 1267264153. The next prime is 1267264217. The reversal of 1267264201 is 1024627621.

It is not a de Polignac number, because 1267264201 - 2⁹ = 1267263689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1267264231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1531950 + ... + 1532776.

It is an arithmetic number, because the mean of its divisors is an integer number (48885120).

Almost surely, 2^1267264201 is an apocalyptic number.

It is an amenable number.

1267264201 is a deficient number, since it is larger than the sum of its proper divisors (297059639).

1267264201 is a wasteful number, since it uses less digits than its factorization.

1267264201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1267264201 is about 35598.6544829998. The cubic root of 1267264201 is about 1082.1539662773.

The spelling of 1267264201 in words is "one billion, two hundred sixty-seven million, two hundred sixty-four thousand, two hundred one".