1267130162 has 4 divisors (see below), whose sum is σ = 1900695246. Its totient is φ = 633565080.

The previous prime is 1267130141. The next prime is 1267130167. The reversal of 1267130162 is 2610317621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1266719281 + 410881 = 35591^2 + 641^2 .

It is not an unprimeable number, because it can be changed into a prime (1267130167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316782539 + ... + 316782542.

Almost surely, 2^1267130162 is an apocalyptic number.

1267130162 is a deficient number, since it is larger than the sum of its proper divisors (633565084).

1267130162 is an equidigital number, since it uses as much as digits as its factorization.

1267130162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633565083.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1267130162 is about 35596.7717918353. The cubic root of 1267130162 is about 1082.1158116579.

Adding to 1267130162 its reverse (2610317621), we get a palindrome (3877447783).

The spelling of 1267130162 in words is "one billion, two hundred sixty-seven million, one hundred thirty thousand, one hundred sixty-two".