1267488898 has 32 divisors (see below), whose sum is σ = 2205403200. Its totient is φ = 541308096.

The previous prime is 1267488863. The next prime is 1267488919. The reversal of 1267488898 is 8988847621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8593 + ... + 51076.

It is an arithmetic number, because the mean of its divisors is an integer number (68918850).

Almost surely, 2^1267488898 is an apocalyptic number.

1267488898 is a deficient number, since it is larger than the sum of its proper divisors (937914302).

1267488898 is a wasteful number, since it uses less digits than its factorization.

1267488898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59746.

The product of its digits is 12386304, while the sum is 61.

The square root of 1267488898 is about 35601.8103191397. The cubic root of 1267488898 is about 1082.2179209443.

The spelling of 1267488898 in words is "one billion, two hundred sixty-seven million, four hundred eighty-eight thousand, eight hundred ninety-eight".