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120411457 is a prime number
BaseRepresentation
bin1110010110101…
…01010101000001
322101120112110121
413023111111001
5221311131312
615540500241
72661323545
oct713252501
9271515417
10120411457
1161a72a01
12343aa681
131bc3c2aa
1411dc5a25
15a887707
hex72d5541

120411457 has 2 divisors, whose sum is σ = 120411458. Its totient is φ = 120411456.

The previous prime is 120411437. The next prime is 120411461. The reversal of 120411457 is 754114021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111175936 + 9235521 = 10544^2 + 3039^2 .

It is an emirp because it is prime and its reverse (754114021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120411457 - 27 = 120411329 is a prime.

It is not a weakly prime, because it can be changed into another prime (120411407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60205728 + 60205729.

It is an arithmetic number, because the mean of its divisors is an integer number (60205729).

Almost surely, 2120411457 is an apocalyptic number.

It is an amenable number.

120411457 is a deficient number, since it is larger than the sum of its proper divisors (1).

120411457 is an equidigital number, since it uses as much as digits as its factorization.

120411457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 120411457 is about 10973.2154357782. The cubic root of 120411457 is about 493.8055163341.

Adding to 120411457 its reverse (754114021), we get a palindrome (874525478).

The spelling of 120411457 in words is "one hundred twenty million, four hundred eleven thousand, four hundred fifty-seven".