1260940038 has 8 divisors (see below), whose sum is σ = 2521880088. Its totient is φ = 420313344.

The previous prime is 1260940033. The next prime is 1260940103. The reversal of 1260940038 is 8300490621.

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

1260940038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1260939990 and 1260940008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260940033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105078331 + ... + 105078342.

It is an arithmetic number, because the mean of its divisors is an integer number (315235011).

Almost surely, 2^1260940038 is an apocalyptic number.

1260940038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1260940038 is a wasteful number, since it uses less digits than its factorization.

1260940038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210156678.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 1260940038 is about 35509.7175150690. The cubic root of 1260940038 is about 1080.3508342371.

The spelling of 1260940038 in words is "one billion, two hundred sixty million, nine hundred forty thousand, thirty-eight".