1267228090 has 8 divisors (see below), whose sum is σ = 2281010580. Its totient is φ = 506891232.

The previous prime is 1267228087. The next prime is 1267228141. The reversal of 1267228090 is 908227621.

It can be written as a sum of positive squares in 2 ways, for example, as 1195707241 + 71520849 = 34579^2 + 8457^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63361395 + ... + 63361414.

Almost surely, 2^1267228090 is an apocalyptic number.

1267228090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1267228090 is a deficient number, since it is larger than the sum of its proper divisors (1013782490).

1267228090 is a wasteful number, since it uses less digits than its factorization.

1267228090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126722816.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1267228090 is about 35598.1472832506. The cubic root of 1267228090 is about 1082.1436874333.

The spelling of 1267228090 in words is "one billion, two hundred sixty-seven million, two hundred twenty-eight thousand, ninety".