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120572201 = 1071126843
BaseRepresentation
bin1110010111111…
…00100100101001
322101212200222002
413023330210221
5221331302301
615544140345
72662563311
oct713744451
9271780862
10120572201
1162072752
12344676b5
131bc974c9
1412028441
15a8ba16b
hex72fc929

120572201 has 4 divisors (see below), whose sum is σ = 121699152. Its totient is φ = 119445252.

The previous prime is 120572189. The next prime is 120572209. The reversal of 120572201 is 102275021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102275021 = 137746533.

It is a cyclic number.

It is not a de Polignac number, because 120572201 - 222 = 116377897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120572209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563315 + ... + 563528.

It is an arithmetic number, because the mean of its divisors is an integer number (30424788).

Almost surely, 2120572201 is an apocalyptic number.

It is an amenable number.

120572201 is a deficient number, since it is larger than the sum of its proper divisors (1126951).

120572201 is a wasteful number, since it uses less digits than its factorization.

120572201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126950.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 120572201 is about 10980.5373730068. The cubic root of 120572201 is about 494.0251548436.

The spelling of 120572201 in words is "one hundred twenty million, five hundred seventy-two thousand, two hundred one".

Divisors: 1 107 1126843 120572201