1901001002 has 8 divisors (see below), whose sum is σ = 2891663712. Its totient is φ = 937113100.

The previous prime is 1901000999. The next prime is 1901001017. The reversal of 1901001002 is 2001001091.

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

It is a super-2 number, since 2×1901001002² = 7227609619210008008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6693524 + ... + 6693807.

It is an arithmetic number, because the mean of its divisors is an integer number (361457964).

Almost surely, 2^1901001002 is an apocalyptic number.

1901001002 is a deficient number, since it is larger than the sum of its proper divisors (990662710).

1901001002 is a wasteful number, since it uses less digits than its factorization.

1901001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13387404.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1901001002 is about 43600.4702038866. The cubic root of 1901001002 is about 1238.7798008066.

Adding to 1901001002 its reverse (2001001091), we get a palindrome (3902002093).

The spelling of 1901001002 in words is "one billion, nine hundred one million, one thousand, two".