1903426124197 has 32 divisors (see below), whose sum is σ = 2131978423680. Its totient is φ = 1687276657920.

The previous prime is 1903426124191. The next prime is 1903426124269. The reversal of 1903426124197 is 7914216243091.

It is a cyclic number.

It is not a de Polignac number, because 1903426124197 - 2¹¹ = 1903426122149 is a prime.

It is a super-2 number, since 2×1903426124197² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1903426124197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1903426124191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90788838 + ... + 90809800.

It is an arithmetic number, because the mean of its divisors is an integer number (66624325740).

Almost surely, 2^{1903426124197} is an apocalyptic number.

It is an amenable number.

1903426124197 is a deficient number, since it is larger than the sum of its proper divisors (228552299483).

1903426124197 is a wasteful number, since it uses less digits than its factorization.

1903426124197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22293.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 1903426124197 in words is "one trillion, nine hundred three billion, four hundred twenty-six million, one hundred twenty-four thousand, one hundred ninety-seven".