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120434009 is a prime number
BaseRepresentation
bin1110010110110…
…10110101011001
322101121200101212
413023122311121
5221312342014
615541152505
72661446363
oct713326531
9271550355
10120434009
1161a88943
12343bb735
131bc49637
1411dcdd33
15a88e23e

120434009 has 2 divisors, whose sum is σ = 120434010. Its totient is φ = 120434008.

The previous prime is 120433993. The next prime is 120434021. The reversal of 120434009 is 900434021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102961609 + 17472400 = 10147^2 + 4180^2 .

It is a cyclic number.

It is not a de Polignac number, because 120434009 - 24 = 120433993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120434059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60217004 + 60217005.

It is an arithmetic number, because the mean of its divisors is an integer number (60217005).

Almost surely, 2120434009 is an apocalyptic number.

It is an amenable number.

120434009 is a deficient number, since it is larger than the sum of its proper divisors (1).

120434009 is an equidigital number, since it uses as much as digits as its factorization.

120434009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 120434009 is about 10974.2429807254. The cubic root of 120434009 is about 493.8363428770.

The spelling of 120434009 in words is "one hundred twenty million, four hundred thirty-four thousand, nine".