1903800126401 has 8 divisors (see below), whose sum is σ = 1911252619104. Its totient is φ = 1896347980800.

The previous prime is 1903800126373. The next prime is 1903800126413. The reversal of 1903800126401 is 1046210083091.

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 1903800126401 - 2¹⁰ = 1903800125377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1903800126491) 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, 19650986 + ... + 19747628.

It is an arithmetic number, because the mean of its divisors is an integer number (238906577388).

Almost surely, 2^{1903800126401} is an apocalyptic number.

It is an amenable number.

1903800126401 is a deficient number, since it is larger than the sum of its proper divisors (7452492703).

1903800126401 is an equidigital number, since it uses as much as digits as its factorization.

1903800126401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173551.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 1903800126401 in words is "one trillion, nine hundred three billion, eight hundred million, one hundred twenty-six thousand, four hundred one".