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120223001 = 2319072741
BaseRepresentation
bin1110010101001…
…11010100011001
322101012221221202
413022213110121
5221234114001
615532443545
72656610243
oct712472431
9271187852
10120223001
1161954358
12343195b5
131bba4592
1411d77093
15a84b96b
hex72a7519

120223001 has 8 divisors (see below), whose sum is σ = 125561664. Its totient is φ = 114893680.

The previous prime is 120222989. The next prime is 120223007. The reversal of 120223001 is 100322021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120223001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120223007) 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, 42491 + ... + 45231.

It is an arithmetic number, because the mean of its divisors is an integer number (15695208).

Almost surely, 2120223001 is an apocalyptic number.

It is an amenable number.

120223001 is a deficient number, since it is larger than the sum of its proper divisors (5338663).

120223001 is a wasteful number, since it uses less digits than its factorization.

120223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 120223001 is about 10964.6249821870. The cubic root of 120223001 is about 493.5477634406.

Adding to 120223001 its reverse (100322021), we get a palindrome (220545022).

The spelling of 120223001 in words is "one hundred twenty million, two hundred twenty-three thousand, one".

Divisors: 1 23 1907 2741 43861 63043 5227087 120223001