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1120301021 = 710712232
BaseRepresentation
bin100001011000110…
…0110111111011101
32220002001012002102
41002301212333131
54243244113041
6303055534445
736522254510
oct10261467735
92802035072
101120301021
11525420814
1227322a425
1314b13b118
14a8b04d77
156854609b
hex42c66fdd

1120301021 has 12 divisors (see below), whose sum is σ = 1293367392. Its totient is φ = 950505816.

The previous prime is 1120301011. The next prime is 1120301057. The reversal of 1120301021 is 1201030211.

It is not a de Polignac number, because 1120301021 - 26 = 1120300957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1120300993 and 1120301011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120301011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915416 + ... + 916638.

It is an arithmetic number, because the mean of its divisors is an integer number (107780616).

Almost surely, 21120301021 is an apocalyptic number.

It is an amenable number.

1120301021 is a deficient number, since it is larger than the sum of its proper divisors (173066371).

1120301021 is an frugal number, since it uses more digits than its factorization.

1120301021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1120301021 is about 33470.8981206062. The cubic root of 1120301021 is about 1038.5918507128.

Adding to 1120301021 its reverse (1201030211), we get a palindrome (2321331232).

The spelling of 1120301021 in words is "one billion, one hundred twenty million, three hundred one thousand, twenty-one".

Divisors: 1 7 107 749 1223 8561 130861 916027 1495729 10470103 160043003 1120301021