1903251042 has 72 divisors (see below), whose sum is σ = 5233084272. Its totient is φ = 494348400.

The previous prime is 1903251001. The next prime is 1903251059. The reversal of 1903251042 is 2401523091.

It is a junction number, because it is equal to n+sod(n) for n = 1903250997 and 1903251015.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 88384 + ... + 107787.

It is an arithmetic number, because the mean of its divisors is an integer number (72681726).

Almost surely, 2^1903251042 is an apocalyptic number.

1903251042 is an abundant number, since it is smaller than the sum of its proper divisors (3329833230).

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

1903251042 is a wasteful number, since it uses less digits than its factorization.

1903251042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196204 (or 196194 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1903251042 is about 43626.2655059999. The cubic root of 1903251042 is about 1239.2683513353.

The spelling of 1903251042 in words is "one billion, nine hundred three million, two hundred fifty-one thousand, forty-two".