1001801146 has 32 divisors (see below), whose sum is σ = 1597243392. Its totient is φ = 470519280.

The previous prime is 1001801137. The next prime is 1001801183. The reversal of 1001801146 is 6411081001.

It is a super-2 number, since 2×1001801146² = 2007211072253826632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368725 + ... + 371431.

It is an arithmetic number, because the mean of its divisors is an integer number (49913856).

Almost surely, 2^1001801146 is an apocalyptic number.

1001801146 is a deficient number, since it is larger than the sum of its proper divisors (595442246).

1001801146 is a wasteful number, since it uses less digits than its factorization.

1001801146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1001801146 is about 31651.2424084743. The cubic root of 1001801146 is about 1000.6000219017.

Adding to 1001801146 its reverse (6411081001), we get a palindrome (7412882147).

The spelling of 1001801146 in words is "one billion, one million, eight hundred one thousand, one hundred forty-six".