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1103030121 = 3616027487
BaseRepresentation
bin100000110111110…
…1110011101101001
32211212112201212110
41001233232131221
54224333430441
6301241432533
736222413154
oct10157563551
92755481773
101103030121
115166a4946
1226949b749
131476a1c5b
14a66cac9b
1566c83b16
hex41bee769

1103030121 has 8 divisors (see below), whose sum is σ = 1494817024. Its totient is φ = 723298320.

The previous prime is 1103030119. The next prime is 1103030143. The reversal of 1103030121 is 1210303011.

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

It is not a de Polignac number, because 1103030121 - 21 = 1103030119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103030097 and 1103030106.

It is not an unprimeable number, because it can be changed into a prime (1103030101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3013561 + ... + 3013926.

It is an arithmetic number, because the mean of its divisors is an integer number (186852128).

Almost surely, 21103030121 is an apocalyptic number.

It is an amenable number.

1103030121 is a deficient number, since it is larger than the sum of its proper divisors (391786903).

1103030121 is an equidigital number, since it uses as much as digits as its factorization.

1103030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027551.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1103030121 is about 33211.8972809444. The cubic root of 1103030121 is about 1033.2271051281.

Adding to 1103030121 its reverse (1210303011), we get a palindrome (2313333132).

The spelling of 1103030121 in words is "one billion, one hundred three million, thirty thousand, one hundred twenty-one".

Divisors: 1 3 61 183 6027487 18082461 367676707 1103030121