1299197106 has 24 divisors (see below), whose sum is σ = 2816393580. Its totient is φ = 432840096.

The previous prime is 1299197099. The next prime is 1299197111. The reversal of 1299197106 is 6017919921.

It can be written as a sum of positive squares in 2 ways, for example, as 1264869225 + 34327881 = 35565^2 + 5859^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18736 + ... + 54308.

Almost surely, 2^1299197106 is an apocalyptic number.

1299197106 is an abundant number, since it is smaller than the sum of its proper divisors (1517196474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1299197106 is a wasteful number, since it uses less digits than its factorization.

1299197106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37610 (or 37607 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 45.

The square root of 1299197106 is about 36044.3768984845. The cubic root of 1299197106 is about 1091.1681514565.

The spelling of 1299197106 in words is "one billion, two hundred ninety-nine million, one hundred ninety-seven thousand, one hundred six".