Search a number
-
+
124407697 is a prime number
BaseRepresentation
bin1110110101001…
…00111110010001
322200002120021111
413122210332101
5223322021242
620202253321
73040306441
oct732447621
9280076244
10124407697
1164252387
12357b7241
131ca0b22b
1412746121
15adc6817
hex76a4f91

124407697 has 2 divisors, whose sum is σ = 124407698. Its totient is φ = 124407696.

The previous prime is 124407617. The next prime is 124407707. The reversal of 124407697 is 796704421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120209296 + 4198401 = 10964^2 + 2049^2 .

It is an emirp because it is prime and its reverse (796704421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124407697 is a prime.

It is not a weakly prime, because it can be changed into another prime (124407617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62203848 + 62203849.

It is an arithmetic number, because the mean of its divisors is an integer number (62203849).

Almost surely, 2124407697 is an apocalyptic number.

It is an amenable number.

124407697 is a deficient number, since it is larger than the sum of its proper divisors (1).

124407697 is an equidigital number, since it uses as much as digits as its factorization.

124407697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 124407697 is about 11153.8198389610. The cubic root of 124407697 is about 499.2090120025.

The spelling of 124407697 in words is "one hundred twenty-four million, four hundred seven thousand, six hundred ninety-seven".