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124254131 is a prime number
BaseRepresentation
bin1110110011111…
…11011110110011
322122210202121212
413121333132303
5223302113011
620155110335
73036066641
oct731773663
9278722555
10124254131
1164157a71
12357423ab
131c986371
1412706191
15ad9608b
hex767f7b3

124254131 has 2 divisors, whose sum is σ = 124254132. Its totient is φ = 124254130.

The previous prime is 124254127. The next prime is 124254157. The reversal of 124254131 is 131452421.

It is a weak prime.

It is an emirp because it is prime and its reverse (131452421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124254131 - 22 = 124254127 is a prime.

It is a super-2 number, since 2×1242541312 = 30878178141130322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 124254097 and 124254106.

It is not a weakly prime, because it can be changed into another prime (124254181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62127065 + 62127066.

It is an arithmetic number, because the mean of its divisors is an integer number (62127066).

Almost surely, 2124254131 is an apocalyptic number.

124254131 is a deficient number, since it is larger than the sum of its proper divisors (1).

124254131 is an equidigital number, since it uses as much as digits as its factorization.

124254131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 124254131 is about 11146.9337039385. The cubic root of 124254131 is about 499.0035233880.

The spelling of 124254131 in words is "one hundred twenty-four million, two hundred fifty-four thousand, one hundred thirty-one".