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3124129 is a prime number
BaseRepresentation
bin1011111010101110100001
312212201111111
423322232201
51244433004
6150543321
735361151
oct13725641
95781444
103124129
111844228
121067b41
13854cc8
145b4761
1541aa04
hex2faba1

3124129 has 2 divisors, whose sum is σ = 3124130. Its totient is φ = 3124128.

The previous prime is 3124127. The next prime is 3124171. The reversal of 3124129 is 9214213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2634129 + 490000 = 1623^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 3124129 - 21 = 3124127 is a prime.

Together with 3124127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3124123) 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, 1562064 + 1562065.

It is an arithmetic number, because the mean of its divisors is an integer number (1562065).

Almost surely, 23124129 is an apocalyptic number.

It is an amenable number.

3124129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3124129 is an equidigital number, since it uses as much as digits as its factorization.

3124129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 3124129 is about 1767.5205797953. The cubic root of 3124129 is about 146.1873026114.

The spelling of 3124129 in words is "three million, one hundred twenty-four thousand, one hundred twenty-nine".