1260100994 has 16 divisors (see below), whose sum is σ = 1901020536. Its totient is φ = 626438400.

The previous prime is 1260100991. The next prime is 1260101021. The reversal of 1260100994 is 4990010621.

It can be written as a sum of positive squares in 4 ways, for example, as 363397969 + 896703025 = 19063^2 + 29945^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1260100994.

It is not an unprimeable number, because it can be changed into a prime (1260100991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264554 + ... + 269274.

Almost surely, 2^1260100994 is an apocalyptic number.

1260100994 is a deficient number, since it is larger than the sum of its proper divisors (640919542).

1260100994 is a wasteful number, since it uses less digits than its factorization.

1260100994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1260100994 is about 35497.9012619056. The cubic root of 1260100994 is about 1080.1111551117. Note that the first 4 decimals are identical.

The spelling of 1260100994 in words is "one billion, two hundred sixty million, one hundred thousand, nine hundred ninety-four".