1290520635103 has 8 divisors (see below), whose sum is σ = 1474887831200. Its totient is φ = 1106155215360.

The previous prime is 1290520635101. The next prime is 1290520635119. The reversal of 1290520635103 is 3015360250921.

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

It is a cyclic number.

It is not a de Polignac number, because 1290520635103 - 2¹ = 1290520635101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290520635101) 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, 2036323 + ... + 2593771.

It is an arithmetic number, because the mean of its divisors is an integer number (184360978900).

Almost surely, 2^{1290520635103} is an apocalyptic number.

1290520635103 is a deficient number, since it is larger than the sum of its proper divisors (184367196097).

1290520635103 is an equidigital number, since it uses as much as digits as its factorization.

1290520635103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888177.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 1290520635103 in words is "one trillion, two hundred ninety billion, five hundred twenty million, six hundred thirty-five thousand, one hundred three".