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61214123 is a prime number
BaseRepresentation
bin1110100110000…
…0110110101011
311021011222222202
43221200312223
5111132322443
610024010415
71342211555
oct351406653
9137158882
1061214123
1131610093
1218600a0b
13c8b3799
1481b64d5
1555927b8
hex3a60dab

61214123 has 2 divisors, whose sum is σ = 61214124. Its totient is φ = 61214122.

The previous prime is 61214113. The next prime is 61214137. The reversal of 61214123 is 32141216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61214123 - 216 = 61148587 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 61214095 and 61214104.

It is not a weakly prime, because it can be changed into another prime (61214113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30607061 + 30607062.

It is an arithmetic number, because the mean of its divisors is an integer number (30607062).

Almost surely, 261214123 is an apocalyptic number.

61214123 is a deficient number, since it is larger than the sum of its proper divisors (1).

61214123 is an equidigital number, since it uses as much as digits as its factorization.

61214123 is an evil number, because the sum of its binary digits is even.

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

The square root of 61214123 is about 7823.9454880514. The cubic root of 61214123 is about 394.1097785608.

Adding to 61214123 its reverse (32141216), we get a palindrome (93355339).

The spelling of 61214123 in words is "sixty-one million, two hundred fourteen thousand, one hundred twenty-three".