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BaseRepresentation
bin100001011000100…
…1110110100010001
32220001212011021000
41002301032310101
54243232431001
6303053452213
736521363022
oct10261166421
92801764230
101120202001
11525363386
122731a1069
1314b105029
14a8abac49
1568526a86
hex42c4ed11

1120202001 has 16 divisors (see below), whose sum is σ = 1661593600. Its totient is φ = 745885584.

The previous prime is 1120201997. The next prime is 1120202021. The reversal of 1120202001 is 1002020211.

Adding to 1120202001 its reverse (1002020211), we get a palindrome (2122222212).

It is not a de Polignac number, because 1120202001 - 22 = 1120201997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1120202021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2641 + ... + 47406.

It is an arithmetic number, because the mean of its divisors is an integer number (103849600).

Almost surely, 21120202001 is an apocalyptic number.

It is an amenable number.

1120202001 is a deficient number, since it is larger than the sum of its proper divisors (541391599).

1120202001 is an equidigital number, since it uses as much as digits as its factorization.

1120202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50885 (or 50879 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1120202001 is about 33469.4188924756. The cubic root of 1120202001 is about 1038.5612504862.

The spelling of 1120202001 in words is "one billion, one hundred twenty million, two hundred two thousand, one".