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1120020001 = 411311511381
BaseRepresentation
bin100001011000010…
…0010011000100001
32220001111220121021
41002300202120201
54243211120001
6303045525441
736520004302
oct10260423041
92801456537
101120020001
11525249671
12273113881
1314b070239
14a8a707a9
15684dcba1
hex42c22621

1120020001 has 16 divisors (see below), whose sum is σ = 1164594816. Its totient is φ = 1076400000.

The previous prime is 1120019977. The next prime is 1120020023. The reversal of 1120020001 is 1000200211.

It is a cyclic number.

It is not a de Polignac number, because 1120020001 - 221 = 1117922849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120020091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810331 + ... + 811711.

It is an arithmetic number, because the mean of its divisors is an integer number (72787176).

Almost surely, 21120020001 is an apocalyptic number.

It is an amenable number.

1120020001 is a deficient number, since it is larger than the sum of its proper divisors (44574815).

1120020001 is a wasteful number, since it uses less digits than its factorization.

1120020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 1120020001 is about 33466.6998821216. The cubic root of 1120020001 is about 1038.5050021831.

Adding to 1120020001 its reverse (1000200211), we get a palindrome (2120220212).

The spelling of 1120020001 in words is "one billion, one hundred twenty million, twenty thousand, one".

Divisors: 1 41 131 151 1381 5371 6191 19781 56621 180911 208531 811021 7417351 8549771 27317561 1120020001