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120246025 = 5231715173
BaseRepresentation
bin1110010101011…
…00111100001001
322101021010112111
413022230330021
5221240333100
615533142321
72660034334
oct712547411
9271233474
10120246025
116196a689
123432a9a1
131bbb1bc3
1411d8161b
15a8536ba
hex72acf09

120246025 has 12 divisors (see below), whose sum is σ = 149585292. Its totient is φ = 95887040.

The previous prime is 120246023. The next prime is 120246037. The reversal of 120246025 is 520642021.

It can be written as a sum of positive squares in 6 ways, for example, as 3087049 + 117158976 = 1757^2 + 10824^2 .

It is not a de Polignac number, because 120246025 - 21 = 120246023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120245987 and 120246005.

It is not an unprimeable number, because it can be changed into a prime (120246023) 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, 339 + ... + 15511.

It is an arithmetic number, because the mean of its divisors is an integer number (12465441).

Almost surely, 2120246025 is an apocalyptic number.

It is an amenable number.

120246025 is a deficient number, since it is larger than the sum of its proper divisors (29339267).

120246025 is a wasteful number, since it uses less digits than its factorization.

120246025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15500 (or 15495 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 120246025 is about 10965.6748538337. The cubic root of 120246025 is about 493.5792680009.

Adding to 120246025 its reverse (520642021), we get a palindrome (640888046).

The spelling of 120246025 in words is "one hundred twenty million, two hundred forty-six thousand, twenty-five".

Divisors: 1 5 25 317 1585 7925 15173 75865 379325 4809841 24049205 120246025