1901042 has 48 divisors (see below), whose sum is σ = 3713472. Its totient is φ = 718080.

The previous prime is 1901033. The next prime is 1901087. The reversal of 1901042 is 2401091.

It is a happy number.

It is a super-2 number, since 2×1901042² = 7227921371528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1901042.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82643 + ... + 82665.

It is an arithmetic number, because the mean of its divisors is an integer number (77364).

2^1901042 is an apocalyptic number.

1901042 is a deficient number, since it is larger than the sum of its proper divisors (1812430).

1901042 is a wasteful number, since it uses less digits than its factorization.

1901042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1901042 is about 1378.7827965274. The cubic root of 1901042 is about 123.8788706138.

The spelling of 1901042 in words is "one million, nine hundred one thousand, forty-two".