Search a number
-
+
124261031 is a prime number
BaseRepresentation
bin1110110100000…
…01001010100111
322122211010002102
413122001022213
5223302323111
620155202315
73036126026
oct732011247
9278733072
10124261031
1164162174
123574639b
131c98954b
14127088bd
15ad9813b
hex76812a7

124261031 has 2 divisors, whose sum is σ = 124261032. Its totient is φ = 124261030.

The previous prime is 124261009. The next prime is 124261061. The reversal of 124261031 is 130162421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124261031 - 218 = 123998887 is a prime.

It is a super-2 number, since 2×1242610312 = 30881607650365922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 124260994 and 124261012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124261061) 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, 62130515 + 62130516.

It is an arithmetic number, because the mean of its divisors is an integer number (62130516).

Almost surely, 2124261031 is an apocalyptic number.

124261031 is a deficient number, since it is larger than the sum of its proper divisors (1).

124261031 is an equidigital number, since it uses as much as digits as its factorization.

124261031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 124261031 is about 11147.2432017966. The cubic root of 124261031 is about 499.0127599973.

The spelling of 124261031 in words is "one hundred twenty-four million, two hundred sixty-one thousand, thirty-one".