1267952223 has 32 divisors (see below), whose sum is σ = 1783716352. Its totient is φ = 800150400.

The previous prime is 1267952221. The next prime is 1267952233. The reversal of 1267952223 is 3222597621.

It is not a de Polignac number, because 1267952223 - 2¹ = 1267952221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267952221) 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, 2009118 + ... + 2009748.

It is an arithmetic number, because the mean of its divisors is an integer number (55741136).

Almost surely, 2^1267952223 is an apocalyptic number.

1267952223 is a deficient number, since it is larger than the sum of its proper divisors (515764129).

1267952223 is a wasteful number, since it uses less digits than its factorization.

1267952223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135.

The product of its digits is 90720, while the sum is 39.

The square root of 1267952223 is about 35608.3167672947. The cubic root of 1267952223 is about 1082.3497715491.

The spelling of 1267952223 in words is "one billion, two hundred sixty-seven million, nine hundred fifty-two thousand, two hundred twenty-three".