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120524081 is a prime number
BaseRepresentation
bin1110010111100…
…00110100110001
322101210020221212
413023300310301
5221323232311
615543125505
72662303106
oct713606461
9271706855
10120524081
116203a587
1234443895
131bc7b632
1412014aad
15a8aac8b
hex72f0d31

120524081 has 2 divisors, whose sum is σ = 120524082. Its totient is φ = 120524080.

The previous prime is 120524057. The next prime is 120524113. The reversal of 120524081 is 180425021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100801600 + 19722481 = 10040^2 + 4441^2 .

It is a cyclic number.

It is not a de Polignac number, because 120524081 - 210 = 120523057 is a prime.

It is a super-2 number, since 2×1205240812 = 29052108201789122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120524021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60262040 + 60262041.

It is an arithmetic number, because the mean of its divisors is an integer number (60262041).

Almost surely, 2120524081 is an apocalyptic number.

It is an amenable number.

120524081 is a deficient number, since it is larger than the sum of its proper divisors (1).

120524081 is an equidigital number, since it uses as much as digits as its factorization.

120524081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 120524081 is about 10978.3460047495. The cubic root of 120524081 is about 493.9594247846.

The spelling of 120524081 in words is "one hundred twenty million, five hundred twenty-four thousand, eighty-one".