Search a number
-
+
124155107 is a prime number
BaseRepresentation
bin1110110011001…
…11010011100011
322122121201210022
413121213103203
5223240430412
620153024055
73035205146
oct731472343
9278551708
10124155107
116409a62a
12356b502b
131c95027b
14126bc05d
15ad76a72
hex76674e3

124155107 has 2 divisors, whose sum is σ = 124155108. Its totient is φ = 124155106.

The previous prime is 124155103. The next prime is 124155133. The reversal of 124155107 is 701551421.

It is an a-pointer prime, because the next prime (124155133) can be obtained adding 124155107 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124155107 - 22 = 124155103 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124155103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62077553 + 62077554.

It is an arithmetic number, because the mean of its divisors is an integer number (62077554).

Almost surely, 2124155107 is an apocalyptic number.

124155107 is a deficient number, since it is larger than the sum of its proper divisors (1).

124155107 is an equidigital number, since it uses as much as digits as its factorization.

124155107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 124155107 is about 11142.4910590047. The cubic root of 124155107 is about 498.8709283134.

The spelling of 124155107 in words is "one hundred twenty-four million, one hundred fifty-five thousand, one hundred seven".