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1457470121 is a prime number
BaseRepresentation
bin101011011011111…
…0011101010101001
310202120111011010212
41112313303222221
510441103020441
6400342350505
751055202012
oct12667635251
93676434125
101457470121
11688781968
1234812b435
131a2c51073
14db7d2009
1587e47eeb
hex56df3aa9

1457470121 has 2 divisors, whose sum is σ = 1457470122. Its totient is φ = 1457470120.

The previous prime is 1457470111. The next prime is 1457470181. The reversal of 1457470121 is 1210747541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 758396521 + 699073600 = 27539^2 + 26440^2 .

It is an emirp because it is prime and its reverse (1210747541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1457470121 - 214 = 1457453737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1457470111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728735060 + 728735061.

It is an arithmetic number, because the mean of its divisors is an integer number (728735061).

Almost surely, 21457470121 is an apocalyptic number.

It is an amenable number.

1457470121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457470121 is an equidigital number, since it uses as much as digits as its factorization.

1457470121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 1457470121 is about 38176.8270158744. The cubic root of 1457470121 is about 1133.7915608317.

The spelling of 1457470121 in words is "one billion, four hundred fifty-seven million, four hundred seventy thousand, one hundred twenty-one".