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124342931 is a prime number
BaseRepresentation
bin1110110100101…
…01001010010011
322122222021102202
413122111022103
5223312433211
620201033415
73036616556
oct732251223
9278867382
10124342931
1164208759
123578586b
131c9b78cb
141272a69d
15adb253b
hex7695293

124342931 has 2 divisors, whose sum is σ = 124342932. Its totient is φ = 124342930.

The previous prime is 124342927. The next prime is 124342957. The reversal of 124342931 is 139243421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124342931 - 22 = 124342927 is a prime.

It is a super-2 number, since 2×1243429312 = 30922328979341522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124342894 and 124342903.

It is not a weakly prime, because it can be changed into another prime (124342921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62171465 + 62171466.

It is an arithmetic number, because the mean of its divisors is an integer number (62171466).

Almost surely, 2124342931 is an apocalyptic number.

124342931 is a deficient number, since it is larger than the sum of its proper divisors (1).

124342931 is an equidigital number, since it uses as much as digits as its factorization.

124342931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 124342931 is about 11150.9161507026. The cubic root of 124342931 is about 499.1223684270.

The spelling of 124342931 in words is "one hundred twenty-four million, three hundred forty-two thousand, nine hundred thirty-one".